MAIN FEATURES:
- Low battery warning: Unit "beeps" every 20 seconds for at least 7 days to indicate battery needs replacing. Also, it will sound more than 4 minutes after alarm activation
- Easy installation: Install directly to proper location without any wiring and Longer operating life for Minimum one-year battery life under standby operation
- Power: 9 V battery only
- Low battery warning: Unit "beeps" every 20 seconds for at least 7 days to indicate battery needs replacing. Also, it will sound more than 4 minutes after alarm activation
- Easy installation: Install directly to proper location without any wiring and Longer operating life for Minimum one-year battery life under standby operation
- Power: 9 V Battery only
- Operating Light: Standby: flash every 40 seconds; Alarm: flash and beep continuously; Battery Abnormal: beeps and flash every 20 second
- Sound: 85 dB/3 m and above
- Ambient Temperature: -10°C to 55°C
- Material: Fireproof Plastic
- Dimension (mm): 120 x 37
- Weight (g): 250
- Color: White
- Optional Function: N/A