SCS 724 Wrist Strap Workstation Monitor Audio Beep Visual LED, 2 Wrist Straps Monitored 26VX49 No Load RPM 0 to No Load RPM 0 to 2200 Corded Cordless Cordless Battery Included Bare Tool Bare Tool Voltage 18 V Cordless Tool Battery Type Li Ion Switch Type Lock On Tool Weight 5 lb Includes Backing Pad Absolute Scales Caliper Material Stainless Steel IP Rating Not Rated Caliper Range 0 12 in 0 300mm SPC Output No Long Form Calibration Certificate No Item Carbide Jaw Digital Caliper Absolute Positioning Yes Includes Battery Yes Minimum Measurement Inch 0 in Range 0 in to 12 in Provides Stable Continuous Monitoring of the Wrist Strap's Path to Ground Presence of its 1 megaohm Safety Resistor Upper Resistance Limit 10 megaohm Lower Resistance Limit 1 megaohm Number of Wrist Straps Monitored 2 Number of Dissipative Surfaces Monitored 1 Number of Metal Grounds Monitored 2 Power Required Minimum 100V AC Power Required Maximum 240V AC Alarm Type Audio Beep Lower Resistance Limit 1 megaohm