Wireless doorbell, wireless doorbell set, 400m range, IP55 waterproof outdoor front doorbell with 3 plug-in receivers, 60 melodies, 5 volume levels, simply plug in

General Description: The wireless doorbell is a complete set designed to offer an impressive range of 400 m (1,312 FT). It includes three plug-in receivers, allowing for flexible use throughout the house. With 52 melodies to choose from and five adjustable volume levels, this doorbell adapts to your sound preferences. Its waterproof and dustproof design (IP55) ensures reliable operation even in harsh weather conditions. Technical Specifications Wireless Range: 400 m / 1,312 FT Maximum Volume: 115 dB Battery Life: 3 years (CR2032 lithium battery) Operating Temperature: -20°C to 60°C Protection Rating: IP55 Installation Easy installation by fixing the doorbell button to the wall, no wiring required. Includes: two screws, two wall plugs, a wrench, and a piece of double-sided tape. Simple plugging of the receivers into an electrical outlet. Use 52 selectable ringtones with rich, clear sound. Five adjustable volume levels. Memory function to retain the last selected melody and volume after a power outage.