Docooler® 2.4G 3.5 inch TFT Wireless Video Door Phone Intercom Doorbell Home Security 1-camera 2-monitors
This post contains affiliate links. As an Amazon Associate I earn from qualifying purchases Specifications of indoor unit: Screen: 3.5″ TFT LCD Sensitivity: 90dBm Working current: 250mA Standby current: 20-30mA/3.7V Battery: Rechargeable lithium battery Battery capacity: 1320mAh Standby time: 120h Adapter input: AC100~240V, 50/60Hz Adapter output: DC 5V/1A Adapter type: US Working temperature: -10℃ ~