1. Suitable for decoration, industrial laboratory testing, industrial real-time monitoring2. Made of durable plastic material, can withstand strong working pressure, compact design, safe and reliable3. LCD screen real-time display voltage, current and output voltage data4. The top of the voltage tester is waterproof to avoid short circuit and circuit, the interface is safer and more hygienic5. The voltage output can be stable and reliable with high working power, which can save your measuring time6. This product has good high power performance, fast, stable and reliable response7. With stable performance, the output voltage can be turned off at the desired temperature8. The power supply is strong and reliable, the voltage output turns on automatically when the power is turned on or offParameters:1. Input voltage: 4-24V2. Input current: 0-5A3. Input power: 0-120W4. Load equivalent internal resistance: 0-9999.9 ohm5. D+/D- voltage: 0-3.3V6. Size: 69 x 30 x 9.5mmSpecification: Package Weight One Package Weight 0.06kgs / 0.14lb One Package Size 10cm * 7cm * 2cm / 3.94inch * 2.76inch * 0.79inch Qty per Carton 400 Carton Weight 5.50kgs / 12.13lb Carton Size 51cm * 37cm * 34cm / 20.08inch * 14.57inch * 13.39inch Loading Container 20GP: 415 cartons * 400 pcs = 166000 pcs40HQ: 964 cartons * 400 pcs = 385600 pcs