Sonnette extérieure sans fil, sonnette étanche, portée de 300 mètres, émetteur extérieur et récepteur intérieur

【Strong Signal, Everywhere】Our doorbell boasts a signal range of up to 400 meters in open areas, ensuring you stay connected at all times. Whether you're in the garden, upstairs, or even the basement, you won't miss any visitors. 【Instant Installation】Easily mount the wireless doorbell transmitter to the wall using the included screws or tape. Installation takes less than a minute, making it quick and convenient. 【All-Weather Performance】Our wireless doorbell is dustproof and waterproof, withstanding temperatures from -30°C to 70°C. It withstands harsh environments while maintaining extremely low power consumption, boasting a battery life of 1 to 3 years. 【Personalized Sound Effects, Flexible Modes】Five-level volume adjustment, up to 110 decibels, allows for precise control, especially suitable for the hearing impaired or elderly. Easily switch between LED indicator mode and LED indicator + ringtone mode, with 55 ringtones to choose from to create a personalized alert sound. Your last settings will be saved for easy access anytime.