Features: Using the LCD display, the working status of the nuclear radiation instrument is clear on the display, and you can quickly and accurately read the data you need. With the function of automatically storing data, even if the power is suddenly cut off, the data will not be lost 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. Hand-held portable design, easy to carry and store, you can put it in your pocket for carrying. : Material: ABS Detecting rays: X, Y, Color: black+yellow Package Contents: 1 x nuclear radiation detector 1 x English manual Only the above package content, other products are not included. Note: Light 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.