1. Voltage measurement (EU/UK Plug): 30V~250V2. Voltage measurement (US Plug): 30V~120V3. RCD test (EU/UK Plug): 30mA4. RCD working voltage: 220V5. RCD (GFCI US Plug) Test: 5mA6. RCD (GFCI) working voltage: 110V7. Judgment of wiring status: seven types8. Display: full backlit LCD screen9. Status Indicator: Red and Green10. Date storage: 20 groups11. Low battery indicator: yes12. Working temperature: 0~40 degrees Celsius13. Battery: 2 x CR2032 (not included)14. Quickly and intelligently measure whether the socket connection line is correct15. Through the full backlit screen, it can clearly display various wiring status even in the dark environment, with small size and light weight, the use process is very easy and pleasant16. AC voltage can be accurately measured and displayed on the screen in real time17. AC voltage measurement range is 30V-250V18. Designed with RCD/GFCI test button, one key to know the working status of the leakage protector, very suitable for protecting your safety from the risk of electric shock19. Data storage function, convenient to record voltage at different times or in different environments, can store 20 groups20. Widely used in electrical maintenance testing, office socket testing, power strip testing and wall socket testing in schools, laboratories, factories and other social fields21. Weight: 86 gramsSpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 10cm * 8cm * 9cm / 3.94inch * 3.15inch * 3.54inch Qty per Carton 288 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 288 pcs = 50976 pcs40HQ: 412 cartons * 288 pcs = 118656 pcs