Bird shaped wireless doorbell for replacing that old fashioned ding dong doorbell installed in every house, and featuring a very loud 2W speaker for hearing the bird call chime very clearly. Being a wireless doorbell system means that installation can be done by anyone, and the cute design of the doorbell itself is sure to intrigue and amuse anyone who takes a look at it. Make your house much more unique and interesting with this wholesale discounted wireless bird doorbell, direct from China.Search chinavasion.com for item code: CVESA-RD368China Manufacturer SpecificationDoorbell Transmission: WirelessRange: 15-20 MetersBird Call ChimeSound Output: 2WStrong anti-interference wireless transmissionPower Source: Transmitter- 1xAAA Battery Receiver- 3xAA BatteriesDimension: Transmitter- 70x37x15mm (LxWxD) Receiver- 190x120x54mm (LxWxD)Manufacturer Ref.: 75YQS7DWANZG- Manufacturer and Origin: China- Login for Wholesale discount price Place of Origin: China Minimum Order : 1 Piece/Pieces Delivery Lead Time : 1-10 days