TECKNET Wireless Doorbell with 2 Push Buttons & 4 Receivers, 400M/1300ft Long Range Door Chime Kit, IP65 Waterproof Bells, 60 Chimes, 5 Volume Levels, Memory Function, for Home, School, Office

【Never Miss a Visitor Again】This TECKNET wireless doorbell kit includes 2 push buttons and 4 receivers, offering a reliable 400m/1300ft ultra-long range connection. Perfect for large houses, apartments, schools, or offices, the strong and stable signal ensures you can hear alerts anywhere, even in the garden, basement, or on upper floors, so you never miss family, guests, or delivery couriers again 【Blue LED Flash & 3 Working Modes】 Featuring 3 operating modes: Sound Only, Light Only, and Sound + Light, this wireless door bell adapts to your daily needs. The built-in blue LED flash provides a bright visual alert, ideal for elderly users, people with hearing difficulties, or noisy environments. Silent flash-only mode keeps babies undisturbed during naps while still ensuring you never miss the door 【60 Melodies & 5 Adjustable Volumes】 With 60 unique chime tones and 5 adjustable sound levels ranging from 0–120 dB, this wireless doorbell easily adapts to any environment—whether you prefer a gentle indoor tone or need a loud alert that carries across multiple floors. Its smart memory function automatically preserves your last settings during power outages, eliminating the need for repeated adjustments 【Durable & IP65 Waterproof】 Built for outdoor use, the TECKNET door bells wireless cordless push buttons feature an IP65 waterproof rating and operate in extreme temperatures from -4°F to 140°F. Designed to withstand heavy rain, snow, or summer heat, this doorbell remains reliable in all weather. Powered by an ultra-low consumption CR2032 lithium battery, each transmitter provides up to 4.5 years of continuous use 【Simple Setup & Wide Applications】 Installation is quick and effortless: just plug the 4 receivers into wall sockets and mount the 2 push buttons with screws or adhesive pads included. Suitable for homes, apartments, offices, classrooms, hotels, hospitals, warehouses, and factories. Backed by 36 months of professional TECKNET support, this plug in door chime kit offers peace of mind for every household or business, Manufacturer: TECKNET