DescriptionPower Supply : BatteryModel Number : 445165 Dimensions : 15.2*2.5*1.7cm Display Type : Analog OnlyDIY Supplies : ELECTRICALBrand Name : ANENGOrigin : Mainland ChinaCertification : NONEFeatures:A perfect tool kit for home and electric industry uses.Ideal design for testing power cables, circuit breakers, wall sockets, junction boxes, fuses, etc. Just press the button, white LED light can be always on when there is absence of voltage. "Beep" sound and red flashing LED would indicate the presence of voltage. Long life and low power consumption. Totally insulated, no exposed metal or conductive parts. Specifications: Material: PC Size: 15.2*2.5*1.7cm Color: Yellow, BlueFrequency Range: 50 to 500 HzTest Voltage Range: 90-1000V ACPowered By: 2 x AAA Batteries (Not included) Note:Please allow a little differences due to manual measurement. Due to the difference between different monitors,the picture may not reflect the actual color of the item. Thank you Package Included:1Pc x LED Light Voltage Alert PenSafely in Bubble Bag.