ELPA Wireless Video Doorbell Intercom Battery No Installation LED Recording Night Vision Door Camera Unit and Monitor Unit No Wiring Call System

[Entrance Camera Substation DHS-C22] ■Power supply: 4 x AA alkaline batteries (sold separately) ■Battery life: Approximately 8 months (when used for 20 seconds at a time, 5 times a day, at 21°C) ■Operating environment conditions: -10°C to 50°C, 90% humidity or less ■Installation conditions: Surface mount: Compatible with JIS single-gang switch box (with cover) ■Wireless communication method: 1.9GHz DECT compliant method ■Shooting angle: (Horizontal) Approx. 130° (Vertical) Approx. 90° ■Nighttime shooting method: Visible light LED ■Minimum subject illumination: 2 lux ■External dimensions (approx.): Width 100 x Height 128 x Depth 34 (mm) (maximum) ■Weight: Approx. 190g (excluding batteries) ■Water resistance: IPX4 (splash-proof) [Portable Monitor Handset DHS-A20P] ■Power supply: Nickel-metal hydride rechargeable battery DC2.4V/750mAh (Replacement rechargeable battery, our model number: TSA-220) ■Operating environment conditions: 0℃~40℃, 70% humidity or less ■Display: 2.4-inch TFT color LCD display ■ Wireless communication method: 1.9GHz DECT compliant method ■ Charging time: Approximately 15 hours ■ Continuous usage time: (Talk) Approximately 3 hours / (Standby) Approximately 100 hours ■ Usable range: Approximately 100m (line of sight) ■ External dimensions (approx.): Width 57 x Height 137 x Depth 22 (mm) ■ Weight: Approximately 120g (including battery pack) [Charging Cradle Base Unit DHS-BJ1] ■Power supply: DC5V/AC adapter included ■Power consumption: (Standby) Approx. 1.0W/(Charging) Approx. 2.1W ■Operating environment conditions: 0℃~40℃, 70% or less ■Wireless communication method: 1.9GHz DECT compliant method ■External dimensions (approx.): Width 85 x Height 70 x Depth 57 (mm) (maximum) ■Weight: Approx. 70g