Two tier Galvanized double deck bike rack/bicycle rack For all types of bicycles 2 tier bike rack can accommodate all types of bicycles, such as mountain bikes and town bikes, and any bicycles can also be chained for extra security. Once placed, the bicycle is well supported by wheel channels and the back wheel is stabilised by a gutter to lock the bicycle firmly. The lower rack has a sloping wheel channel, so the user does not have to bend between the levels which makes the cycle parking system simple and easy to use for all ages. This 2 tier bicycle rack is excellent for space saving as the cycle stands are compact with a centre to centre distance of around 370 mm. There is also the option to have the powder coated in any of the 192 RAL colours. Double deck bicycle rack features: 1.This double deck bicycle rack can park 2 bikes per set(one up, one down). 2.assembled in underground garage. 3.used for public place such as hosipital, school etc. 4.beautify the environment. 5.can Save space and prevention of theft.
Elect-mic.
Mute control:noise-locking Frequency response:50hz-13khz Stability: ía0.005% S/n ratio:>70dbm T.H.D.:05%(1k) Channel:two Sensitivity:-80dbm Working range:100m Receiver power supply:dc 12v/300ma Microphone pwer:9v Output power:20mw Frequency range:220mhz-270mhz Output:single mix output
Microphone
Microphone Model: sm-58 Impedance: 300ohm Sensitivity: -55+(-)3db Frequency: 60-16, 000hz Direction: uni-direction Body: zinc die-cast harden steel mesh Dimension: (dia)51*l165mm Weight: 310w/o cable Cartridge: sm-58
Microphone Microphone for chat online Used for msn, icq, and etc, any voice chatroom Can pick up your voice from 0-60cm distance
Mike and Speaker all-in-one! New concept portable mike system Realizing the freedom of wireless microphone and the stability of wired microphone Micker has evolved Micker Pro with various requirements from the field Micker is optimized for classroom and lecture room environment and good to use for any internal and external activity of group meeting, such as academic institute, kinder garden, conference room, church and seminar, etc Patended Technology: exclusive dual speaker provides convenient and stable quality of sound with no directional loss inside classroom environment, and provides various options including howling suppressor technology through all-in-one mike structure that can be used for lecture debates at indoors and outdoors (3-level volume adjustment, external device player, internal charging circuit, charging unit, echo, buzzer)
Condenser Microphones
Features: 1. Widely used in classroom for classroom audio enhancement. 2. Ir code, easy to set up the link between the transmitter and receiver. 3. Hnad free and portable, neck pendant design. The voice does not drop out even the teacher facing the whiteboard. 4. Excellent noise filter, no cross talk, long distance transmit ability. 5. Support interactive talk when using two microphones. 6. Work under 2. 4g frequency, more stable and wide transmission. Application: Classroom, conference room Specification: Easymic r-e2 Dc power 7.5v Output current:100ma/160ma(working) Color:painting gray/black + red Weight:1.1kg Dimension standard 1/2u Frequency 2402~2480mh2(auto) Sensitivit y 82dbm(0.1%ber) Frequency response 50hz~20khz(3db) Snr:ú+90db Pattern :gfsk, bt=0.5gaussian Link:ir code Antenna:sma/tw Easymic t-e2 Working duration:í²6hrs Charging duration:ín4hrs Battery :3.7v/500ma, lithium battery Battery life ú+500times(full charged and full released) Working mode:ir code connection, auto frequency hopping Use mode:hand-set/neck-set/land-set Emission power:20mw Emission length:50m Frequency :2402~2480mh2(auto), ism Link:ir Sensitivity:82dbm(0.1%ber) Fr equency response:50hz~20khz(3db) Snr:ú+90db Pattern :qfsk, bt=0.5gaussian Dimension 23.8mm(w)x16mm(l)x93mm (h) Weight:28g(including battery)
