Feature: 1. High Accuracy Detection: Utilizing intelligent technology, our smoke detector quickly and accurately detects smoke, providing early warning alerts. 2. Improve Home Safety: Smoke detector ensures the safety of your home and loved ones by promptly alerting you to potential fire hazards. 3. For Zigbee Communication: Smoke detector uses wireless for Zigbee communication technology, allowing it to connect with other for Tuya smart home devices. 4. Reliable Alarm System: Equipped with a loud alarm and smartphone push notifications, smoke detector ensures reliable and effective alerts. 5. Easy Installation: Smoke sensor is designed for easy installation without the need for professional assistance. With just a few simple steps. Specification: Item Type: Smoke Detector Material: ABS Battery Type: Alkaline Battery (Batteries Not Included) Battery Type: AAA Batteries Number Of Batteries: 2 Static Current: <=15uA Alarm Current: <=160mA Low Undervoltage: <=2.5v Alarm Sound Pressure: 80db/1 Detection Range: 20㎡ Installation: Ceiling Mounting Operating Temperature: -10℃ -+50℃. Package List: 1 x User Manual 1 x Smoke Detector