alarm multiple functional static elimination Wrist strap

Function : 4-IN-1 , Serve as [Cordless Wrist strap ] / [Wrist strap tester ] [Grounding wrist strap ] / [ Wrist strap grounded monitor ] * Main device size : 40 (L) x 35 (W) x 15 (H) mm * Combination kits : Main device + Metal band + 10 ft coil cord * Power : 1.5 DCV x 2 * Stainless metal band size : S [6.5"] ; M [7.1"] ; L [7.8"] * Main device weight : 45 g * Applicable to clean room