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★★★★ Y Wireless Door Bell Alarm Door Bell Waterproof Eu Plug Wireless fence 36 Different Tunes for Your Choice There are 36 unique voice options that you can choose on this wireless home bell. # no Wires or Cables Required # The home bell transmitter and receiver uses a wireless system (no cable required), simply connecting the socket to the power source. Led Indicator This wireless home bell is equipped with LED indicator that ignites along with bell sounds. Package Contents: 1 x Wireless Doorbell Receiver 1 x Doorbell Button 1 x Adhesive Sticker 2 x Screw 1 x Manual User Specs: Frequency: 315mhz Voltage Working Voltage: 220v Dimensions Receiver: 9.5 (L) X 6 (W) X 3.4 (h) cm 8.4 (L) X 6 (W) X 2.3 (h) cm transmitter Controlled Volume: 25 To 80db (4 Levels Volume Control Selection) Control Area: > 100m (for Open Field)