Wireless Devices - Wireless Photoelectric Smoke Detector WS4916

Automatic drift compensation
Built-in, dual-senor heat detector
Built-in 85 dB horn
Local test button
Low profile design
High/Low sensitivity reporting
Low battery indication
Easy-maintenance removable smoke chamber
Non-contact sensitivity reading with handheld test meter (FSD-100) Long-life lithium batteries included
UL/ULC/EN listed for residential applications
Compatible with all DSC 433 MHz wireless receivers