4-Wire Non-Addressable Photoelectric Smoke Detector / Supports Standalone Functionality

• Sleek, low-profile case design
• Buzzer included 85 dB @ 3 m
• Operating voltage DC 12 V
• Advanced algorithms provide advanced detection discrimination
• Easy installation and low maintenance, no programming required
• Stable photoelectric smoke detection chamber
• Surface Mount Device Circuit Board Design
• Dual LEDs for 360° visibility
• One N/C or N/O alarm relay output
• 4-wire models available with auto-reset feature for DS-PDSMK-4BAR only
• 4-wire models available with internal siren only for DS-PDSMK-4BAR

List of compatible equipment here .