Wireless Smoke Alarm Photoelectric Security Detector for Home Hotel Office Building

Feature: 1. The built?in high stability imported chip makes the alarm speed different from the ordinary chip, and it can alarm within 2 seconds if smoke is detected. 2. The smoke alarm is suitable for use in multiple scenarios such as homes, hotels, office buildings, factories, warehouses, etc. 3. Adopting a 1mm/0.04in hole diameter design, effectively isolates flying insects and avoids false alarms caused by dust entering the interior due to long?term use. 4. The alarm volume is above 85DB (alarm test within 3m/3.28yd), high volume prompts in time to protect the safety of you and your family. 5. Ultra?low power consumption, longer standby time, when the device is low power, indicator/buzzer failure prompts, help effective protection. 6. Optimized ABS material, high temperature flame retardant, with corrosion resistance, heat resistance and impact performance. Specification: Item Type: Smoke Alarm Material: ABS Battery Model: AAx2 (delivered without batteries) Transmission Frequency: 433 MHZ Quiescent Current: less than 5 (uA) Working Temperature: -15 celsius -+55 celsius Alarm Current: less than 50MA. Package List: 1 x Alarm 2 x Expansion Tube2 x Screw1 x Manual