2 in 1 Smart Wireless Window Door Magnetic Sensor Alarm Home Security Burglar Alarm & Doorbell with 20M Remote Control Distance

Features: Wireless remote control to arm or disarm. Super loud alarm of 105dB, scare thief away. Powered by 2 pieces of AAA alkaline batteries(not included). Low power remind with LED indicator Magnetic sensor, door and window motion detector. Can easily mount to windows or doors with included double sides adhesive tape, no tools required. Door bell function, reminding people in house open door for you. Specifications Alarm volume: 110 dB Working temperature: -10 ~ 60°C Working humidity: Below 80% Storage temperature: -20°C ~ 70°C Battery: 2 * AAA alkaline battery operation (not included) Alarm weight: 30g / 1.0oz Alarm size: 85 * 42 * 17mm / 3.3 * 1.7 * 0.6in Magnet weight: 7g / 0.2oz Magnet size: 85 * 10 * 14mm / 1.8 * 0.4 * 0.4in Package size: 24.0 * 10.8 * 2.0cm / 9.4 * 4.3 * 0.9in Package weight: 80g / 2.2oz Package List: 1 * Security Alarm 1 * Magnetic Stick 1 * Remote Control