Self Powered Wireless Doorbell Waterproof Door Bells with 58 Melodies for Home Apartment UK Plug

Feature: 1. Self Powered Doorbell: When the transmitter is pressed, generates electric power and sends stable signal to receiver, no batteries required. 2. 58 Melodies: Wireless doorbell offers a wide selection of 58 melodies for your choice, 4 level adjustable volume, meet your different needs. 3. Waterproof: IP44 sunproof waterproof doorbell, can withstand harsh weather conditions, effectively prolong the service life. 4. Long Working Distance: Cordless doorbell supports up to 150m/492ft transmission distance in open space, strong penetrating power. 5. Multipurpose: Not only a doorbell, but also can be a pager, babies who sleep alone, the elderly and pregnant women are in need can press. Specification: Item Type: Wireless Doorbell Material: ABS.Plug Standard: AC110-240V Standard: 1 to 2Emitter: Power Supply: Self powered Size: Approx. 63x63x20mm/2.48x2.48x0.79in Environmental Temperature: -20 degrees C to +60 degrees C Transmission Distance: Open space > 150m/492ft RF Frequency: 433MHzReceiver: Power Supply: AC110-240V 50/60Hz Power Consumption: 0.25W Ringtone: 58 melodies Ringtone Volume: more than 90dB Environmental Temperature: -10 celsius to +45 celsius Package List: 1 x Wireless Doorbell2 x Indoor Unit1 x Sticker1 x User Manual