Buzzer, speaker, sensor.
The 442 audio/visual alarm devices are suitable for connection to 2-wire and 4-wire fire detection and alarm Systems. 441 will operate with both addressable and non-addressable fire detection control and indicating equipment. Activation is initiated upon connection of the operating voltage, allowing connection to either a switched supply or Via an addressable module. Visual, audible and audio/visual models available Red or white body available for audible alarm device Operates when the supply voltage is connected to the device Compatible with relay outputs from control and indicating equipment, or from an output module connected to addressable alarm circuit wiring Dc 24 v operation Loud sounder output of 85 db at 1 m Long-life leds Zero current load in quiescent condition
Portable Dual Wireless Loudspeaker Stereo Sounds Bluetooth Speaker With FM TF Radio Alarm Clock Product name: Portable Dual Wireless Loudspeaker Stereo Sounds Bluetooth Speaker With FM TF Radio Alarm Clock Function Frequency: 90Hz-20KHz Battery: 2500mAh Play time: 6-8h Charging time: 3h Size: 192*60*45mm Package size: 230*93*59mm N.W: 462g Carton size: 47.5*29.5*31.5cm(30pcs) G.W: 20.3kg Package: 1*bluetooth speaker,1*usb cable,1*aux cable,1*manual Customize: Accept custom logo, custom package(MOQ:5000) Package include: 1pcÃ? Bluetooth Speaker 1pc Ã? USB cable 1pc Ã? AUX cable 1pcÃ? User Manual 1pcÃ? Gift Box Trading Information: 1. Trade Terms: FOB, CIF, EXW 2. Terms of Payment: T/T, PayPal, L/C, Western Union... 3. Payment Condition: Samples will be shipped after payment confirmed; Mass orders- 30% depoisit in advance, 70% balance before shipment. 4. Shipping: By sea, air and by express delivery. Warranty For all our products,we offer 12 months warranty. Usual,our Production line and QC department will full inspection all goods for more than 3 times before send out. So,there are almost no defective.if really have,you can send back us for repair or replacement. You send back to us, you pay the shipping cost. We send back to you,we pay the shipping cost. But, all this warranty does not include accident, human fault or improper use.
Mowell Professional Series Finger Tip Pulse Oximeter With Audio Visual Alarm and Respiratory Rate Specifications: Easy and simple operation 6 display modes, display SPO2, PR Low power consumption. Audible and visual alarms Automatically power off design 2AAA alkaline batteries This item is intended to give a moderate yet exact route for spot-checking blood oxygen immersion levels and heartbeat rate. All you need is a couple of moments and you can check these levels whenever, anyplace. Presently estimating your heartbeat rate and oxygen levels in the body turns out to be simple. All you need is a couple of moments and you can check these levels whenever, anyplace.
Mowell Professional Series Finger Tip Pulse Oximeter With Audio Visual Alarm and Respiratory Rate Specifications: Easy and simple operation 6 display modes, display SPO2, PR Low power consumption. Audible and visual alarms Automatically power off design 2AAA alkaline batteries This item is intended to give a moderate yet exact route for spot-checking blood oxygen immersion levels and heartbeat rate. All you need is a couple of moments and you can check these levels whenever, anyplace. Presently estimating your heartbeat rate and oxygen levels in the body turns out to be simple. All you need is a couple of moments and you can check these levels whenever, anyplace.
Speakers, Audio , Party Speaker, Alarm Clock Radio, Bluetooth Headphone.
Piezo ceramic element, piezo and magnetic buzzer, transducer, SMD buzzer, siren and speaker.
We have good quality Used and New Laptops of all brands. Product Name Used laptops Processor CPU Series: Intel Core i7 4-generation family CPU Type: Intel Core i7 4702MQ CPU frequency: 2.2GHz Core frequency: 3200MHz Bus Specifications: DMI 5 GT / s Three cache: 6MB Core Architecture: Haswell Core / thread count: quad-core / eight thread Storage Device Memory Capacity: 4GB (4GB Ã?? 1) Memory Type: DDR3L (low voltage version) 1600MHz Hard disk capacity: 500GB Hard Description: Support the expansion turn mSATA SSD hard drive Drive Type: No built-in optical drive Display Touch screen: does not support touch Screen Size: 14 inches Aspect Ratio: 16:9 Screen Resolution: 1366x768 Screen technology: LED backlit, matte glare mask Graphics Graphics Type: Dual Graphics (fever-level graphics card + integrated graphics) Graphics chip: NVIDIA GeForce GTX 760M + Intel GMA HD 4400 Memory Capacity: 2GB Memory Type: GDDR5 Memory Interface: 128bit Number of stream processors: 768 Multimedia devices Camera: 720p HD webcam Audio System: Built-in audio chip Speaker: Built-in speaker Microphone: Built-in microphone Network Communications Wireless LAN: 802.11b/g/n wireless protocol Wired LAN: 100Mbps Ethernet card I / O interfaces Data interface: 1 Ã?? USB2.0 +2 Ã?? USB3.0 Video Interface: VGA, HDMI Audio interface: headphone / microphone combo interface Other interfaces: RJ45 (network interface), power connector Reader: Multi-in-1 card reader Input Devices Pointing device: Touchpad Keyboard Description: Full-size keyboard Power Description Battery: 6-cell lithium battery, 5900 mA Life time: 5 hours, the specific time depending on use environment Power adapter: 100V-240V 90W AC power adapter adaptive Exterior Laptop Weight: 2Kg Length: 339.2mm Width: 239.5mm Thickness: 26.4mm Shell material: composite material Case Description: Black Notebook accessories Packing list: Host x1 notebook Power adapter x1 Power cord x1 Manual x1 Warranty card x1 Shipping DOCS 1. Commercial Invoice 2. Packing list 3. Certificate of Origin 4. Bill of Loading 5. Form A/Form E 6. Other documents are according to customer's
Buzzer, transducer, ultrasonic sensor, mylar speaker, speaker.
Buzzer, SMD buzzer, piezo element, siren, alarm, piezo siren, vehicle alarm, horn speaker, speaker, mylar speaker, receiver for mobile phone, magnetic buzzer, piezo buzzer, ceramic buzzer.
Antenna, speaker, buzzer, condenser microphone, lcd, electronics components..
The 640 addressable audio/visual alarm devices are suitable for connection to 2-wire addressable fire detection And alarm systems. 640 is loop-powered and activation is initiated by a dedicated initiation message from the control and indicating Equipment. Up to 125 devices can be connected to each alarm zone loop. Visual, audible and audio/visual models available Red or white body available for audible alarm device Loop-powered from control and indicating equipment Operates when a dedicated activation message is received from the control and indicating equipment Loud sounder output of 85 db at 1 m Long-life leds Low quiescent current Dip switch address setting
voltage:12v/24v power:15w/20w tone:1tone and 6tones
Quick Details Place of Origin:Zhejiang, China Brand Name:LYAF Model Number:YL03 Power:100w Sound press:110dB-120dB Impedance:4Ω,6Ω,8Ω Frequency:100-20000Hz Usage:Auto
Electromagnetic locks, magnetic contacts, emergency door release, local scare alarm, dual tone buzzer, smoke detectors, drop bolt, panic bars, schutz, bel, ebelco.
Product ID KPG-20T-6.7B1 Fr( KHz ) 6.7 ¡À 0.5 Zr( ¦¸MAX ) 500 Cp( ¡À30%nf ) 12 D(mm) Ø20 d(mm) Ø15 T(mm) 0.44 t(mm) 0.24 .
Alarm With Speaker.
Speakers and audio amplifier.
Sound equipments.