Wireless Set Battery Free Self Powered Door Bell 2 Receivers Waterproof Wireless

Feature: 1. 2 Receivers: One doorbell with two receivers, you can place the receivers in different rooms or floors, never missing every visitor ringtone. 2. Self Generating: The wireless doorbell is self generating, no need wiring, no need battery, has long transmission distance. 3. Multi Purpose: The doorbell can also be a pager, for babies sleeping alone, the elderly and pregnant women, just click when have needs. 4. Strong Signal Reception: The device can be used wirelessly through wall, with strong penetration, one to one signal pairing, no worry about stringing with others. 5. IP68 Grade: Doorbell transmitter has IP68 protection grade, waterproof and not afraid of the sun, featuring long service life. Specification: Item Type: Wireless Doorbell Set Material: ABS Use: Can be used in home, villa, hotel, factory, for the elderly, patient, pregnant women call with one key Doorbell Transmitter: Power Source: Self generated Doorbell Receiver: Power Consumption: 0.25W Ringtone: 38 ringtones Transmission Distance: Open space >150m RF Frequency: 433MHz Ringtone Volume: more than 50dB per meter. Package List: 1 x Doorbell2 x Receiver1 x Sticker1 x Manual Note: 1. Do not place the product in an environment that is too corrosive, humid and high temperature.2. Please supply power according to the voltage used. Using other voltages may cause fire and product damage.