Non-Contact Voltage Tester with Wide Testing Range - This Non-Contact Voltage Tester Voltage within 90-1000V AC, All Electric Appliances in Your Family can be Tested by it Safe & Convenient - Loud audible sound alarm for live cable detection, Upon detection, tip red light glows and beeper sounds Safety Rating - CAT IV 1000V for added protection USE - Best for electricians, maintenance technicians, safety officers, and anyone who need to quickly check if the circuits are energized in the workplace or at home Warranty - Covered by One-year Gazelle warranty