Black Wireless Doorbell Self Powered Waterproof Door Bell with 58 Melodies LED Flash for Home

Feature: 1. Premium Material: Door bell is made of premium ABS material, fire retardant, wear resistant, not easy to deform or damage, sturdy and durable. 2. 2 to 1: Wireless doorbell can be used for the front and rear doors, or set separate corresponding ringtones, also can be a pager. 3. 58 Melodies: Cordless doorbell with 58 melodies and 4 adjustable volume levels, LED flash is suitable for the elderly and hearing impaired. 4. Long Working Distance: Transmission distance is up to 150m/492ft in open space, strong penetrating power, ensures you will never miss a visitor. 5. Excellent Performance: IP44 sunproof waterproof doorbell, can withstand harsh weather conditions, effectively prolong the service life. 6. Simple Installation: The installation is simple, self powered doorbell can generate electric power by itself, no wiring or battery required. Specification: Item Type: Wireless Doorbell Material: ABSApplication: Home, shop, office doorbell or pager Plug Standard: AC110-240V Standard: 2 to 1 Color: BlackTechnical Parameters: Transmitter: Power Supply: Self powered Size: Approx. 90x22mm/3.54x0.87in Environmental Temperature: -20 degrees C to +60 degrees C Transmission Distance: Open space > 150m/492ft RF Frequency: 433MHz Receiver: Power Supply: AC110-240V 50/60Hz Power Consumption: 0.25W Ringtone: 58 melodiesRingtone Volume: more than 90dBEnvironmental Temperature: -10 celsius to +45 celsius . Package List: 2 x Wireless Doorbell1 x Indoor Unit2 x Sticker1 x User Manual