Kivos KDB303 wireless video door phone for apartment with smart HD camera] Function: 1. doorbell, visual 2. intercom between indoor screen and outdoor camera 3. photo shooting to 120pcs 4. night vision 5. Menu setting easy to use Outdoor unit: Power:4*AA(1.5V) battery Consumption:400mA Standby power consumption:0.01mA Outline dimension:128*67*32mm Weight:122g Environmental condition Temperature: -10?~+50? Waterproof grade:IP55 Placement:Hang on out wall Surface material:ABS & hardware accessories Camera:300,000pixels View angle:120° wide angle (Extra 15° adjustable) Night vision:pattern Infrared lamps Standby time: 3months Indoor monitor: Power Specific:lithium battery BP-6M(1100mAh) Consumption:400mA Outline dimension:126*84*20mm Weight:110g Environmental condition Temperature:-0?~+40? Placement Table style LCD size:3.5" TFT color screen Wireless communication mode:2.4GHz Images spread:25fps Picture format JPEG Working time:4hours continuously Standby time:500hours Charge time:3hours External power:DC5V 1A Application distance:About 300m in open space