... IP67 1. Features of M12 IP67 Laser Photo Switch : * M12 laser photo switch, power consumption ≤ 1mW. * Long detect ... brass, IP67 ratings, water resistant.* Advantage: laster switch emitter has small light sending angle, light is concentrated ... analog sensor. 2, Digital meter: temperature controller, digital counter, digital timer, digital frequency/tacho/linespeed meter, digital panel meter, analog ...