Fieldpiece SC57 Wireless True RMS Swivel Head Clamp Meter
•Wireless Measurements for faster, more accurate readings •180 Swivel Head Clamp to easily view your results at any angle •Clamp Flashlight to illuminate wires in dark spaces •Bright Blue Backlight stays on for 3 minutes for easy readings •Rugged Construction to withstand harsh conditions •Automatic Power Off (APO) to preserve your battery life when clamp isn't in use •Non-Contact Voltage warning via audio and visual alarms •Easy Field Calibration with convenient pot location to quickly calibrate K-type thermocouples •True RMS to accurately measure non-sinusoidal wave forms •Auto Ranging for quick, accurate readings  •Constant Battery Status so you don't run out of batteries in the middle of a job