Digital peephole door wireless viewer/wireless video doorbell 3.5 inch lcd

Main characteristics kivos kdb307a peelhole viewer

1.Picture taken automatically and manually
2.Best for apartment, office and hotel
3.3.5inch lcd screen
4.170 degree wide lens
5.Suit to the door hole: 14-40mm, door thickness 40-100mm
6.Good quality connection wire
7.Nokia chargeable lithium battery
8.Connect holder design, handheld check
Specification:

No.
Specifications
Technical parameters
1:power source:bp-6m (1100ma)
Adapter, battery of mobile phone: bp-6m (1100ma)
2:camera300, 000 pixels, cmos high-resolution camera
3:display device lcd 3.5” 240*320 resolution
4:sound format ringing
5:memory device 100pcs pictures
6:shooting mode manual and automatic video-recording
7:current in “hold” mode less than 1ma
8:stand-by time >1000 hours
9:charge time 3 hours
10:electrostatic protection >8kv
11:service life of keystroke > 100, 000 times
12:environmental temperature -20°c~+50°c