With the LCD display, the working status of the nuclear radiation instrument on the display is clear and you can read the data you need quickly and accurately. With the automatic data saving function, the data will not be lost even in the event of a sudden power failure and can be stored for a long time. There are three alarm methods: sound, light and vibration, which can better remind you and give you a better experience. Handheld portable design, easy to carry and store, you can put it in your bag to carry. Has three measuring units: which can meet your daily need to detect radioactive radiation. Battery: 2 AA batteries (not included) Material:ABS colour:Black+Orange Package Contents: 1 * nuclear radiation detector 1 * English manual Only the above package content, other products are not included. Note: Light shooting 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. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_