Photoelectric Smoke & Fire Alarms
![Universal Security Instruments MPC322S 2-in-1 Photoelectric Smoke & Carbon Monoxide Alarm](/images/products/MPC322S/MPC322S.jpg)
Combo Smoke & Gas Alarms
Universal Security Instruments MPC322S 2-in-1 Photoelectric Smoke & Carbon Monoxide Alarm
![Universal Security Instruments MPC122S Hardwired 2-in-1 Photoelectric Smoke & Carbon Monoxide Alarm](/images/products/MPC122S/MPC122S.jpg)
Combo Smoke & Gas Alarms
Universal Security Instruments MPC122S Hardwired 2-in-1 Photoelectric Smoke & Carbon Monoxide Alarm
![Universal Security Instruments SS‑901 Battery Operated Photoelectric Alarm](/images/products/SS-901/SS-901.jpg)
Smoke & Fire Alarms
Universal Security Instruments SS‑901 Battery Operated Photoelectric Alarm
![Universal Security Instruments USI‑3204 Wired‑In 120 Volt Photoelectric Alarm](/images/products/USI-3204/USI-3204.jpg)
Smoke & Fire Alarms
Universal Security Instruments USI‑3204 Wired‑In 120 Volt Photoelectric Alarm