Key Features:
 -Brand: NIN
 · Buzzer and LED indicator two devices in one
 · IP65 waterproof protection
 · Flashing light with intermittent audio
 · 19.7 mm depth behind the panel
 · Push-in terminals (IP40 finger protection)
 · Only 2 cables to connect
 Technical indices:
 Model: AD16-22SM
 Nominal voltage: 220V
 Rated current: ≤20mA
 Light Type: Flashing LED
 Sound type: intermittent
 Brightness: ≤100cd/m2
 Withstand voltage: 2.5 kV for 1 minute
 Insulation resistance: ≤2 milliohms
 Continuous working life: ≥30,000H