Features:[Quality Material] Made of high quality materials, durable to use.[One Machine for Multiple Purposes] Dual control switch, testing voltage+current+ power+power factor, suitable for testing semi-finished or finished lamps(B22, E14, E27 type lamp, AC load, cable clamp).[High Precision Test] The error range is within 0.2%.[Seesaw Switch] Capable of turning off the live line and zero line at the same time, and the built-in indicator light makes the operation much safer.[Plug-in Interface] The plug-in type interface of the lamp holder makes testing more convenient and efficient, so you just need to simply plug your LED lamp into the correct hole and push the switch to test.[Dual Clamp] Capable of being connected to lamps without lamp cap, such as ceiling lamps / downlights / spotlights / floodlight / ventilating fans, etc.[Short Circuit Overload Protection] Equipped with fuse, it can protect the tester and lamps from burning and damage when the lamp is suddenly short circuited.[Alarm Function] The tester will automatically alarm when the defective lamps do not meet the standard range.[Wide Application] Applicable to drive power test, lamp bead test, lamp board test, etc.. Suitable for high voltage.Specifications:Material: ABSColor: White&RedPlug: EU / US (Optional)Input Voltage: 90~265V AV, 50HzAC Voltage: 0~300V ACAccuracy: 0.5%Power Range: 0~400WAccuracy: 0.5%Buzzer: Pass(one sound) / Fail(several sound)Item Size: Approx. 17*9.5*4cm / 6.69*3.74*1.57inItem Weight: Approx. 226g / 7.97ozPackage Size: Approx. 21*13.2*6cm / 8.27*5.2*2.36inPackage Weight: Approx. 307g / 10.83ozNote:Please read the Users Manual before use.Packing List:1 * Power Tester1 * Pair of Test Line2 * Fuse1 * Users Manual(English) Our products are made with the highest quality materials and are designed to provide you with the best possible user experience. We strive to ship out all orders within three days of purchase, and the estimated delivery time is 8-87374 days. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it