NIBOSI 2321 Ultra Thin Fashion Men Watch Top Luxury Brand Business Quartz Watches Waterproof Sports Watch Men Clock watch_strap_color:08 When triggered it sends out

When triggered it sends out a series of 40KHz ultrasonic pulses and receives echo from an object

fine needle

if use the un-fittble fuse may cause not work normal or fire

Down button: switch the measurement unit and reduce the calibration data

NIBOSI 2321 Ultra Thin Fashion Men Watch Top Luxury Brand Business Quartz Watches Waterproof Sports Watch Men Clock watch_strap_color:08 When triggered it sends outAbout US: We are a foreign trade technology company headquartered in Shenzhen, specialized in serving Southeast Asian customers, providing customers with one stop services such as electronic materials, electronic products, computers and peripheral equipment, crafts, electronic watches, wearables, overall solutions, etc. We can also help Southeast Asian customers to purchase a variety of goods from China, providing high quality products. Find the right