1、Made of high‑quality ABS material, anti‑shock and anti‑shake, can be used for a long time without worry. 2、Accurate measuring point, accurate and reliable reading data of light tester. 3、The non‑contact voltage measuring pen is safe and efficient, and it is safe to use. 4、Lightweight and portable, with intelligent identification and measurement on the go, it is convenient to carry and use. 5、Using way, select the measured value after turning it on, then you can enter the measurement. Item Type: Voltage Tester Material: ABS Model: ET8900 Power Supply: AAA 2 x 1.5V (not included) Purpose: Electricity numerical measurement Functional indicators Display Analog bar Voltage detection range High sensitivity: AC12~1000V; Low sensitivity: AC48~1000V Frequency 50/60Hz Alarm mode Sound and light alarm Probe shape Prolate shape Backlight Red and green dual-color backlight Neutral live wire judgment According to the change of backlight color: green is the neutral line; red is the live line Signal strength display Analog bar four-level sensitivity Signal strength indication mode The buzzer changes from slow to fast; the color of the backlight changes from green to red; the analog bar changes from low to high Flashlight No button operation, automatic shutdown after about 3 minutes without induction signal Automatic shutdown No button operation, automatic shutdown after about 3 minutes without induction signal 1 x Voltage Tester(Battery Not Included) 1 x Manual