Asahi Denki DECT Wireless TV Door Phone DHS-SP2020 4901087207831

The entrance camera cordless unit and monitor are connected wirelessly, so there is no need for any wiring work. - Mass: Entrance camera handset = approx. 210g (excluding batteries), Portable monitor handset = approx. 120g (including battery pack) - External dimensions: Entrance camera handset = approx. width 100 x height 128 x depth 34mm (maximum), Portable monitor handset = approx. Width 57 x Height 137 x Depth 22mm Power consumption: Charging base main unit = (standby) approx. 1.0W/(charging) approx. 2.1W Power: Entrance camera handset = AA alkaline batteries x 4 (sold separately), Portable monitor handset = Ni-MH rechargeable battery DC2.4V/750mAh (replacement rechargeable battery)