Description: 1, SW-520D highly sensitive tilt sensor 2, the comparator output signals clean, good waveform, driving ability, than 15mA 3, distribution position sensitivity adjustment 4, the working voltage of 3.3V-12V 5, the output form: digital switching output (0 and 1) 6, a fixed bolt hole for easy installation 7, small PCB board size: 3.2cm x 1.7cm 8, using a wide voltage comparator LM393