Nơi xuất xứ
Zhejiang, China
Input Voltage
120/230 (single phase)/277/347 VAC, 50/60 Hz
Ultrasonic frequency
40kHz
Time delays
5, 10, 15, 20, or 30 minutes, walk-through, test-mode
Built-in light level sensor
works from 10 to 300 footcandles (107.6 to 3,229.2 lux)
Dimensions
4.50" diameter x 1.45" deep