✨️ Pack of 4✨️ The product is a 4 pack of WOOX Andyssey GS517A wired smoke alarm detectors with replaceable battery back-up. Each unit comes with 1 battery included and is powered by a battery. The smoke alarms are photoelectric, white in colour, and feature a battery backup system for added security in case of power outages. These detectors are essential for ensuring home safety and peace of mind against potential fire hazards.
eBay