Wireless Doorbell - Doorbells - Wireless Doorbell - Battery-Free Wireless Doorbell - Self-winding Doorbell Button with Electronic Chime - Temperature

Eco-friendly: Self-powered doorbell. The transmitter has a built-in micro-generator that generates electricity and sends a signal to the receiver when pressed. This doorbell does not require batteries. Long range: This wireless doorbell has a range of up to 150 meters, a lossless signal, and strong anti-interference capabilities, making it ideal for home use. Easy installation: Mount the doorbell to the wall with screws or double-sided tape, then plug the receiver directly into the wall outlet. No network or wiring is required. IP65 waterproof doorbell: Thanks to its extremely high water resistance, you can install the doorbell (transmitter) outdoors. The operating temperature range is -20°C to +60°C, and it withstands all weather conditions. With this wireless doorbell kit, you'll always hear the doorbell. This high-quality set includes a robust, weatherproof push button and two portable indoor units with high-quality speakers. This allows you to hear the doorbell from anywhere in your home. The indoor unit is battery-powered (batteries included), so you can place it wherever you like. It's also ideal for the garden, for example. Compact and weatherproof: Because the doorbell is compact, it can be easily mounted on any outdoor unit. The button is made of high-quality plastic and is IP65 weatherproof. This means the doorbell doesn't need to be installed under an awning, even if it's hanging in the rain. Specifications: Power supply: self-contained Receiver communication range: over 150 meters (unobstructed) Operating frequency: RF 433 MHz Operating temperature: -20°C to 60°C Receiver: Ringtone: 38 Thermometer: displays temperature Power supply: AC 100V-230V 50/60Hz Power consumption: 0W Size: Extra large Weight: 56 grams Transmitter communication range: over 150 meters (unobstructed) Operating frequency: RF 433 MHz Operating temperature: -10°C to 45°C