LED Lamp Bulb Tester Screen Tester Led Portable Handy Light-emit Led Power Tester Fast Led Tester Backlight with LED Display 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: Product :Multi-interface quick test lamp stand Interface type: E14 E27 B22 Product shape: rectangular Product color: white Product material: new material engineering plastic + phosphor bronze Product size: 142*82*27mm Power range: 0-600W Meter head accuracy: level 2 Insurance type: 5*20mm 3A Package: 1 x lamp tester 1 x EU/US Plug Product Function Supports E27/E14/B22 lamp holders second-level test lamps Support second-level test lamps such as ceiling light, ceiling light Support built-in lamp repair artifact function version customization Support dual display of power and input working voltage use big rocker double-control safety switch Ultra-thin integrated design, the thickne is only 27mm Big rocker switch Built-in to close the live wire and neutral wire ,and the operation safety switch has a built-in indicator light, making the switch safer Compact structure design The use of functions is more intuitive As thin as 27mm Smart and light Integrated lamp holder design Not just beautiful More importangtly ,after being integrated with the shell Stronger, safe and more durable Power display No light state: the display only shows the voltage up to 300v Lighting state: show the actual wattage of the lamp Support European standard round plug power cord