Reinforced nylon housing eliminate corrosion damage
With wire connection, easy to install
Voltage polarity protection With CE
Dimension: 105*60.5*70mm
Output:(L0-100dB, L1-95dB, L2-90dB, L3-85dB)±4dB @4ft
Current: less than 0.6 A
Temperature range: -40 ℃ to 85 ℃
Frequency: multi frequency
Weight：360g±5%
Note :Do not adjust output level when power is on