Model Number: SSM-220 Brand Name: UIS Key Specifications/Special Features: SSM-220 wireless smoke sensor by photoelectric designDetect smoke on air and trigger the system alarm automatically, and also, it’ll send out the alarm sound by its inside buzzer at the same timeFunction specification:ZigBee Pro (2.4GHz) RF interfaceSmoke detector photoelectric chamber

Inside buzzer alarm(90dB at 30cm)

Ceiling-mount bracket

LED indicator

Up to1 year battery life (alkaline battery)

RSSI (received signal strength indication)supported

Wireless: Zigbee IEEE802.15.4 ISM

Band: 2405-2480MHz

Detection mode: photoelectric

Inside buzzer alarm (90dB at 30cm)

Ceiling-mount bracket

LED indicator

Up to 1 year battery life (alkaline battery)

RSSI (received signal strength indication) supported

Operating voltage: 3V DC

Battery type: AA alkaline battery x 2

Software protocol version: ZHA1.2x

Temperature:

• Operating: -10 to 45°C (14-113°F)
• Storage: -10 to 70°C (14-158°F)