Comprehensive Testing Solution: Designed for E27, B22, and E14 lamp bulbs, this tester is essential for 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 for electricians, hardware services, and DIY enthusiasts. Due to different batches, there may be differences in product appearance and printed text, which do not affect use. Plug Type: EU Plug, applicable in countries such as Indonesia, Germany, France, Spain, and Italy. Voltage: AC 220V Color: White Material: ABS Package Contents: 1 x Lamp Bulb Tester Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the actual product. Measurement error allowance is +/- 1-3 cm.