Features:
1. The buzzer can be used as a fire siren.
2. The buzzer can work continuously for up to 12 hours.
3. The red wire of the buzzer is the positive pole, and the black wire is the negative pole.
4. Single siren sound, high decibel buzzer is loud.
5. The buzzer is suitable for 220V AC supply, and the buzzer will sound when it is on.
Specification:
Item Type: Active Buzzer
Working Voltage: AC 220V
Decibel: 110dB
Cable length: approx. 33 cm.
Package includes:
1 x Buzzer