ELPA Wireless Video Doorbell, No Wiring Required, Automatic Recording, Wide-Angle Camera, LED Light, Battery Operated, DHS-TMP2320

【Entrance Camera Sub-Unit DHS-C22】 ■Power Supply: 4 x AA alkaline batteries (sold separately) / or DC 7V supplied from the monitor unit ■Battery Life: Approx. 8 months (20 seconds per use, 5 times a day, at 21°C) ■Operating Environment Conditions: -10°C to 50°C, 90% humidity or less ■Mounting 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° ■Night Vision Method: Visible light LED ■Minimum Subject Illumination: 2lx ■External Dimensions (approx.): Width 100 x Height 128 x Depth 34 (mm) (maximum) ■Weight: Approx. 210g (excluding batteries) ■Water Resistance: IPX4 (splash-proof) 【Monitor Unit DHS-B30M】 ■Power Supply: AC100V 50/60Hz (cord length approx. 1.5m) ■Power Consumption: (Standby) Approx. 0.8W / (During Talk) Approx. 3.1W ■Operating Environment Conditions: 0~40℃, 70% or less ■Mounting Conditions: Surface-mounted wall mount (mounting bracket included) ■Wireless Communication Method: 1.9GHz DECT compliant method ■Usable Range: Approx. 100m (line of sight)