Features: [Quality Material] Made of s for reliable use. [One Machine for Multiple Purposes] Dual control switch allows testing of voltage, current, power, and power factor. Suitable for testing semi-finished or finished lamps (B22, E14, E27 type lamp, AC load, cable clamp). [High Test Accuracy] Error range is within 0.2%. [Seesaw Switch] Capable of turning off both live and neutral lines simultaneously. Built-in indicator light ensures clear operation status. [Plug-in Interface] Plug-in type lamp holder interface enables convenient and efficient testing. Simply insert your LED lamp into the correct socket and press the switch to begin testing. [Dual Clamp] Supports connection to lamps without lamp caps, such as ceiling lamps, downlights, spotlights, floodlights, and ventilation fans. [Short Circuit Overload Protection] Equipped with a fuse to protect the tester and lamps from damage in case of sudden short circuits. [Alarm Function] Automatically triggers an alarm when defective lamps fall outside the standard range. [Wide Application] Suitable for driver power testing, lamp bead testing, lamp board testing, and other applications. Compatible with high voltage environments. Specifications: Product: Multi-interface quick test lamp stand Interface type: E14, E27, B22 Product shape: Rectangular Product size: 142 x 82 x 27mm Power range: 0-600W Meter head accuracy: Level 2 Fuse type: 5 x 20mm 3A Plug Type: EU Plug, compatible with countries including Germany, France, Spain, Italy, and Indonesia Voltage: AC85-265V Color: As shown Material: Plastic Package Contents: 1 x Lamp tester Note: Light reflection and display differences may cause slight color variation between the image and actual item. Measurement error allowance is +/- 1-3cm.