Intercom wireless door opening remote

1 module internal and 1 external module

Intercom wireless and control of a waste-to-remote - Module inside : 16 melodies selection, transmission distance : 100m, sound volume adjustable, low battery Indicator, wireless receiver, rechargeable base Power supply : mains adapter 9VDC/250mA for charging - Dimensions combined 165x49x29 Weight : 100g, Dimensions of base 106x118x45mm weight : 80g
The outer Module :
Connection to an electric strike, a conversation in duplex - (supplied) - Power supply : adaptor 12VDC/1A, or 4 battery R6(not included), weight : 180g - All delivered with power supplies, 3 accu R3 and fixing screws