2 in 1 First Alarm Household Indoor Small Ceiling Fixed Safety Sensor Alertor Protective Accessory Alarming Devices

Description: Multifunctional Structure: This kind of detector is designed with 2 in 1 function, enough to meet your different kinds of needs. Wide Use: The warning device could alarm you when there is danger, you can install it in bedroom, living room, kitchen and other places you need. Easy Installation: The alertor works with stability, and it is easy to install, saving time and strength for you. Small Size: This device is designed with small size, which could be installed on ceiling, will not take so much space or influence your life, you can use it without worries. Battery-powered Structure: This kind of warning equipment is powered by electricity, you need to prepare AA batteries yourself. Specification: Color: As shown. Material: Plastic. Size: Approx. 12.7x12.2x5.3cm/5.0x4.8x2.1in. Standby current: ≤98 uA. Alarming current: ≤75 mA. Alarming sound: ≥85 dB(3.3 feet) Low battery warning: <7.6V. 70ppm, 60-180min. 150ppm, 10 - 50min. 400ppm, 4-15min. 700ppm, 2-6min. Battery: 2x AA battery.(not included). Package Includes: 1 Piece Indoor Smoke Alert.