Wireless Doorbell, 150M Waterproof Doorbell with 58 Melodies, 4 Volume Levels, 90dB Wireless for Homes and Apartments, 1 Receiver and 1 Push Button (Black)-LIAIKI

Specification:Item Type: Wireless DoorbellMaterial: ABSApplication: Home, Shop, Office, Doorbell or PagerTransmitter:Power Source: Self-generatedAmbient Temperature: -20℃-+60℃Transmission Distance: Open Space > 150MRF Frequency: 433 MHzRecipient:Power Supply: AC110-240V 50/60HzPower Consumption: 0.25WRing: 58Ring Volume: ≥90 dBAmbient Temperature: -10℃-+45℃4-Level Volume Adjustment: The doorbell chime offers 58 melodies to choose from, adjustable volume across 4 levels, louder than 90 dB, to meet your various needs.Adjust the volume to suit individual needs to resolve volume issues.Long-range wireless doorbell: The wireless doorbell's transmission signal reaches up to 150 meters in open areas. Its long transmission distance makes it safe for use in various settings, such as apartments, houses, offices, and other locations.Multi-purpose: Not just a doorbell, it can also function as a pager, making it suitable for babies sleeping alone, the elderly, and pregnant women.The wireless doorbell has IP44 protection against sun and water, and can withstand harsh weather conditions. The operating temperature is -10℃ to +45℃.Easy to install: Installing this wireless doorbell is very simple; just plug the receiver into a power source and attach the transmitter to the wall using the included adhesive strip.No wiring or batteries required.