Long range: A sufficient radio range (280m / 1000ft in open area) is ideal for home use, with excellent signal penetration through obstacles. Whether you're cooking in the kitchen or working in the garden, this doorbell ensures you never miss a visitor. Waterproof and weatherproof: Featuring IP44 protection and an operating temperature range from -30°C to 70°C, the wireless doorbell is suitable for outdoor installation. It performs reliably in rain, snow, and sub-zero conditions. Easy installation: Plug the receiver into any standard outlet and mount the push button on the wall or door frame using the included tape or screws. A blue LED flashes when the doorbell is pressed, providing a visual alert ideal for elderly or hearing-impaired users. Multiple tones and volume levels: Choose from 36 different ring tones, ranging from classic chimes to popular melodies. Volume is adjustable in 4 levels from 25dB to 85dB. Wireless indoor and outdoor system: Includes 2 receivers and 1 transmitter. No batteries required for receivers; powered directly from the electrical outlet. The IP44-rated waterproof push button is designed for outdoor use, such as a garden or front door bell. Product information: Wireless doorbell for indoor and outdoor use Operates up to 300 meters (1000 feet) in open areas IP44 rated for dust and water resistance Suitable for use in temperatures from -20°C to 65°C Simple setup: Mount transmitter with adhesive tape or screws, plug in receiver LED indicator lights up when button is pressed Transmitter powered by a 12V A23 alkaline battery (included) Compact design fits discreetly indoors or outdoors Transmitter dimensions: 7.8cm x 4.6cm x 2cm Receiver dimensions: 8.0cm x 7.5cm x 2.3cm 36 selectable melodies Adjustable volume with 4 levels (25dB to 85dB) Input voltage: AC110-240V 50/60Hz Package includes: 1x Transmitter 1x Receiver 2x Screws 1x 12V A23 alkaline battery 1x Double-sided adhesive tape 1x Small screwdriver 1x Instruction manual