Homemiyn High Sensitivity Non-contact Ac Voltage Tester Voltage Tester Pen Lcd Display Led Flashlight Live/null Wire JudgmentThe product is shipped based on the color or size of the main image of the product page 100% insulating materialWorking temperature: 0~40Frequency range: 50/60HzAlarm mode: sound and light alarmFlashlight: white LED lightingAutomatic shutdown: about 5 minutes to automatically shut downStorage temperature: -10~50Humidity: 95%Altitude: 2000mBattery: 2x1 5V AAAHigh sensitivity range: 12V~1000VLow sensitivity range: 48V~1000VCleaning: Clean with a dry cloth1 1 Product description:The function panel is easy to understand, non-contact and saferIntelligent zero line identification, safe electrical insulation operation: zero line, signal indicator is off, no buzzer or signal indicator flashes slowly, the buzzer is weak; hot line, signal indicator flashes frequently, and the buzzer sound is loudNewly designed circuit board, smart, sensitive, stable, one-key sensitivity switch1 2 Product features:Falling accuracy protection, durable and anti-drop, made of high-quality materials, anti-shock and anti-shakeFlashlight function, can operate clearly even in low light conditionsHumanized pen holder, more convenient to carry and work