Wireless Doorbell, Waterproof Doorbell with 300 Meter Range, Wireless Chime with 1 Transmitter and 2 Plug-in Receivers and 36 Ringtones, 4 Volume Levels for Home, Office, Shops - Fei Yu

General Description: The wireless doorbell is ideal for both indoor and outdoor use, offering an impressive radio range of 300 meters (1000 feet) in open spaces. Thanks to its IP44 weatherproof rating, it is weather-resistant, making it perfect for use in rain, snow, or extreme temperatures ranging from -30°C to 70°C. With 36 different ringtones and an adjustable volume from 25 dB to 85 dB, you can personalize your sound experience to suit your preferences. Technical Specifications: Radio range: up to 300 meters; Waterproofing: IP44; Operating temperature: -22°C to 65°C; Volume: adjustable to 4 levels (25 dB to 85 dB); Input voltage: AC 110-240V 50/60Hz; Transmitter dimensions: 7.8 cm x 4.6 cm x 2 cm; Receiver dimensions: 8.0 cm x 7.5 cm x 2.3 cm; Transmitter power supply: 12V A23 alkaline batteries (not included). Installation: To install the doorbell, simply plug the receiver into an electrical outlet and attach the push button to the wall or door frame using the double-sided tape or screws provided. Use: This wireless doorbell is designed to alert you when someone rings your doorbell, whether you are inside or outside. The blue LED flashes to indicate that a visitor is present, which is particularly useful for people with hearing impairments. Other information: Package contents: 1 transmitter, 2 receivers, 1 double-sided adhesive strip, 1 small screwdriver, 1 instruction manual. Expandable with additional receivers and transmitters (same model).