The clamp has a useful Data-hold feature to freeze the displayed value when used in difficult to access locations where the display may be difficult to read. Features: 3-1/2 digit display with annunciators. Auto-ranging 40.00A & 300.0A AC. 27mm jaw diameter. Fits in a shirt pocket. Display hold. Auto power off & Low battery indicator. Battery Life: 100 Hours Continuous Operation. Operating temperature: 0C to 40C. Operating humidity: less than 80% RH.
