General description Our CSPARKV wireless doorbell is designed for outdoor use, featuring a waterproof design and a powerful range of 150 meters in open areas. This ensures that you will never miss a visitor, whether you are in the garden, upstairs, or in the basement. The kit includes a receiver and a transmitter, making it a complete solution for your doorbell needs. Technical specifications Dimensions: 45x77mm Operating temperature: -30°C to 70°C Volume levels: 3 levels up to 110dB Melodies: 38 different melodies Battery life: 1-3 years Shipping quantity: 2 pieces Installation The wireless doorbell transmitter can be easily mounted on your wall using the provided screws or adhesive tape, allowing for hassle-free installation in less than a minute. Usage Enjoy precise control over your doorbell with adjustable volume levels and a selection of melodies for personalized alerts. Your last settings are saved for uninterrupted convenience.