Concealed Electronic Peephole Visible Electronic Peephole $ 37.90 Product information: Power supply mode: Lithium battery Power supply voltage: 3.7 (V) Scope of application: General-purpose doors on the market Type: Video doorbell LCD: 4.3"TFT color screen Viewing angle 145 2 million camera Applicable door] Thickness range 35~110m Applicable door hole range 15-25mm Power supply: 3 1.5V/8A (No. 5) batteries Indoor unit size deep learning 1488720mm
