RUGGED AND RELIABLE: Durable to withstand a 3 m drop, the FLIR VP50-2 can reliably test for voltage in the latest safety outlets, large industrial electrical systems, and residential low-voltage installations EASY TO USE: Offers an ergonomic design with a low-profile probe tip and anti-roll case that’s easy to grip and operate TROUBLESHOOT QUICKLY: Provides high-end features that make your job more efficient including bright flashlight, tip light, auto power off, and low battery indication AC VOLTAGE RANGE: 90 to 1000 V AC (default, solid green light) AMBIENT TEMPERATURE RANGE for OPERATION: -10 to 50°C (14 to 122°F)