LED Multi-function E27 E14 B22 Lampholder Dimming Multi Interface Explosion-proof Short Circuit Protection Power 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: 280*115*38mm Power range: 0-1000W Meter head accuracy: level 2 Insurance type: 5*20mm 6A Package: 1 x Lamp Bulb Tester 1 x EU/US Plug The above are the three commom lamp holder types(please pay attention to choose tthe correspomding lamp holder type )If you need G4/G9/G10/G12/MR16 and other type of interfaces,it is recommennded to use the E27 series conversion lamp holder Product specifications: 5 regular models without display Specification 1: 4 E27 lamp holders, lamp holders with independent switches,no explosion-proof function, with fuse E27 and switch,Fixinghole,4 terminal clamp,Fuse holder ,Dual controlpower switch Specification 2: 2 E27 lamp holders + E14 lamp holders + explosion-prooflamp holders E27 and switch,E14 and switch Explosion-proofand switch,Fixing hole,Fuse holder ,Dual controlpower switch Specification 3: 3 E27 lamp holders + explosion-proof lamp holder E27 and switch ,Explosion-proofand switch,Fixing hole,4 terminal clamp ,Fuse holder ,Dual controlpower switch Specification 4: E27 lamp holder+B22 lamp holder+E14 lampholder+E27 lamp holder E27 and switch,E14 and switch,B22 and switch,Fixing hole ,4 terminal clamp, Fuse holder ,Dual controlpower switch Specification 5: E27 lamp holder+B22 lamp holder+E14 lamp holder+explosion-proof lamp holder E27 and switch,B22 and switch,E14 and switch, Explosion-proof B22 and switch,Fixing hole,4 terminal clamp , Fuse holder ,Dual controlpower switch 4 conventional LCD display models Specification 6: E27 lamp holder + B22 lamp holder + E14 lamp holder+explosion-proof lamp holder (LCD display) E27 and switch, B22 and switch,E14 and switch ,Explosion-pt oofand switch,Fixing hole,4 terminal clamp,AC and Dcdual-purpose meter ,Fuse holder,Dual control power switch Specification 7: E27 lamp holder+E14 lamp holder+E14 lamp holder+E27lamp holder (LCD display) E27 and switch,E14 and switch,Fixing hole,4 terminal clamp,AC and Dcdual-purpose meter ,Fuse holder,Dual control main power switch Specification 8: E27 lamp holder+E27 lamp holder+E14 lamp holder+explosion-proof (liquid crystal display) E27 and switch,E14 and switch ,Explosion-plrdof and switch,Fixing hole,4 terminal clamp,AC and Dcdual-purpose meter ,Fuse holder,Dual control main power switch Specification 9 : 4 E27 lamp holders,(LCD display) E27 And switch ,Fixing hole,4 terminal clamp,AC and Dcdual-purpose meter ,Fuse holder,Dual control main power switch Specification 10 : E27 lamp holder+E27 dimming lamp holder+E14lamp holder+explosion-proof lamp holder (LCD display) E27 And Switch,E14 And Switch Explosion-ptaof and switch,Fixing hole,4 terminal clamp,AC and Dcdual-purpose meter ,Light modulator,Dual control main power switch Specification 11 : E27 lamp holder + E27 lamp holder + E14 lamp holder+ special lamp holder for dimming (LCD display) E27 And Switch ,E14 And Switch Dimming lightand switch,Fixing hole,4-position terminal clamp,AC and Dcdual-purpose meter ,Light modulator,Dual control main power switch Product size The height is about 55mm(different lamp holder types and sizes are different) power cord is about 1.15m long support EU/US pulg customization Lamp holder 1.There are three options,respectively E27/B22/E14/E27 2. E27 adopts five-jaw straight plug quick interface 3.E14 is a two-jaw straight plug quick interface Explosion protection -Support one-key closeTungsten lamp mustbe used -The wattage of t