Features: [Quality Material] Made of high-quality materials 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 lamps, AC load, cable clamp). [High Precision Test] Error range 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 the 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] Automatic alarm activates 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: Class 2 Fuse type: 5 x 20mm 3A Plug Type: EU Plug (compatible with Indonesia, Germany, France, Spain, Italy, etc.) Voltage: AC 85–265V Color: As shown in picture Material: Plastic Package Contents: 1 x Lamp Tester Note: Light reflection and differences in display screens may cause slight color variations between the image and the actual item. Measurement error allowance: ±1–3cm.