Baby monitor Specifications Certificate: ce, fcc Receiver specifications(provided by saitell technology) -±power supply: ac-dc adapter (dc +6v 800 ma) -±rechargeable batteries ni-mh aaa 850 ma x 4pcs -±consumption current: 400 ma -±power consumption: approx.3w -±operation temperature: -10c~+50c/+14f~+122f -±storage temperature: -40c~+85c/-40f+185f -±operation humidity: 85% rh -±dimension: 140mm x 70mm x 30mm Lcd -±type tft lcd -±dimension: 2.5" -±display resolution: 480x234 -±active area: 49.2(w) x 38.142(h) mm -±dot pitch: 0.1025(w) x 0.163(h) mm -±view angle(u/d/l/r): 10/30/45 degree -±brightness: 250cd/sq.M. -±contrast: 150:1 -±light source: led Radio frequency -±demodulation type: fm -±input vswr: 2:1 -±receiving frequency: -±ism 2, 400 mhz~2, 483 mhz -±ch1=2, 414 mhz;ch2=2, 432 mhz -±chi=2, 450 mhz; ch4=2, 468 mhz -±intermediate frequency: 480 mhz -±frequency stabilization: f+100 khz -±local leakage at input terminal: f_ -55dbm -±receiving sensitivity: f_ -85 dbm -±unobstructed effective range reaches 100 m Camera: -±imaging sensor: 1/3 inch cmos -±cmos total pixels: 628 x 582 (pal) 510 x 492 (ntsc) -±horizontal resolution -±view angle: 62 degree -±minimum illumination: 1.5lux / f1.5 -±gain control: automatic -±weight: 20g -±battery clip Meas: 32.2 x 26.2 x 18.0 cms Waterproof camera: -±imaging sensor: 1/3 inch cmos -±cmos total pixels: 628 x 582 (pal) 510 x 492 (ntsc) -±horizontal resolution: 380 tv lines -±view angle: 62 degree -±minimum illumination: 1.0lux / f2.0 &0lux (ir on) -±gain control: automatic -±weight: 200g -±night-vision range: 7m -±wire length: 1.5m Meas: 37.4 x 35.2 x 25.2 cms (this model can be with 4 camera including the 3 used indoor and the One which is water proofed)