Socket Tester with GFCI check 48 250V Automatic Electric Power Circuit Polarity Voltage Detector Wall Plug Breaker Finder Leakage Test With LED voltage display

Note:The batteries are not included in the package due to Aviation Security Check,2 x 1.5V AAA Batteries need to be purchased by oneself. Feature: Support GFCI / RCD test functions. Rapidly check if the electric wire connection is wrong. Small size, light weight. Reliable and easy to use. Durable in use. Perfect for home, business and circuit construction. The tester incorporates a built-in light so it can also be used in the dark . Great gadget and saves a lot of time in diagnosing problems with sockets! Any user can quickly identify which of the wiring conditions is indicated by the LED lights. Easy, safe, compact. .The item is designed to test socket if connects positive and negative pole as request and whether household power protection systems works well or not. Specification: Plug Type: US Technical specifications Operating voltage: 48~250V/45~65Hz Measure voltage (with LCD): 48~250V/45~65Hz Accuracy: ± (2.0%+2) Operating temperature: 0°C~40°C Operating Humidity: 20%~75%RH Storage temperature: -10°C~50°C Storage Humidity: 20%~80%RH Altitude: ?2000m RCD test: >30mA RCD working voltage: 220V±20V GFCI test: >5mA GFCI working voltage: 110V±20V Package included: 1 x Socket Tester 1 x User Manual