Photoelectric Wireless Smoke Alarm with Built-in 10 Years Battery RF Module

Product Name: Photoelectric Wireless Smoke Alarm with Built-in 10 Years Battery RF Module Model NO.: TSS382A-HR Working Principle: Electro-Optical Type Application: Indoor Certification: CE, ISO, RoHS, CCC, Bsi Type: Smoke Alarm Transport Package: Carton Origin: Hangzhou, China Product Description Photoelectric smoke alarm1. Power supply: Non-replaceable 3V lithium battery2. Conform to EN14604:2005/AC:20083. Alarm volume:≥85dB at 3m4. Big test button for easily weekly testing5. Product life time > 10 years6. Low battery signal alarm7. Silence function: Approx.8 mins8. 10 hours non-disturb function under lower battery status9. Ceiling mounting, easy to install with mounting bracket10. RF module, 433MHz, wireless interconnection up to 40pcs.11. Safety clip feature, not allow mouting without battery installed12. Size: Φ120 * 38mm