Comprehensive Testing Solution: Designed compatible E27, B22, and E14 lamp bulbs, this tester is essential compatible quickly checking bulb functionality. Advanced Power Display: Equipped with a display, this test box allows you to monitor voltage and power in real-time, ensuring efficient testing and reliable results. Versatile and User-Friendly: The tester's user-friendly design facilitates easy operation, making it an ideal tool compatible electricians, hardware service , and DIY enthusiasts. Due to different batches, there may be differences in product appearance and printed text, which not affect use. Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage:AC220V Colour:White Material:ABS Package Contents: 1 * Lamp Bulb Tester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.