Compare 10 Year Wireless Smoke Alarm Interlinked Radio-Link - White Price

A smart modern design wireless interconnected fire alarm/smoke alarm, compatible with other Safe-Tech detectors (CO detector, Remote controller, WiFi interconnected smoke alarm) to create a wireless safety network. We suggest a maximum of 20-50 pcs connected on one floor of the building for best connection performance. With the latest Radiolinked technology, if one alarm goes off all alarms will go off. The alarm with a loud 85-decibel siren is designed to cover the whole house, and even wake the soundest sleepers. Built-in sealed 3V Li-battery that can last up to 10 years*, no battery replacement within 5-8 years is needed which will save the money and time for replacing the battery. Longer battery life, safety guarantee! Big test and Hush button and remote controller (not included). The test button is larger than the traditional smoke alarm, and the button can be easily released in the event of a false alarm without tools. Remote controller (not included) helps to test & silence the alarm.