General description The CACAZI Wireless Doorbell is a smart, battery-powered doorbell system designed for easy installation and reliable performance. It features a waterproof door button with an IP44 rating, making it suitable for various weather conditions. With a long wireless range of up to 300 meters, you will never miss a visitor. The system includes two battery-powered transmitter buttons and two plug-in receivers, which are pre-paired for immediate use. Technical specifications Transmitter size: 75 x 51 x 20 mm Receiver size: 95 x 65 x 24 mm Receiving distance: 300 m (in open area) Volume: 25-80 dB, with 5 adjustable levels Ringtones: 60 music options Rated voltage: AC 110-220-240V Working frequency: 433 MHz (customizable) Compatible with 12V23A alkaline battery (battery not included) Operating temperature: -30 to 70 degrees Fahrenheit Installation Installation is straightforward: simply plug the receiver into a power outlet and attach the push button transmitter to your door