1. Low battery reminder function: built-in rechargeable battery, when the built-in battery voltage is low, the fourth status indicator on the panel will keep flashing
2. Battery: Lithium polymer battery
3. Current consumption: 8mA
4. Detection laser wavelength: 920nm
5. Receiving frequency range: 1MHz-6500MHz
6. Material: ABS
7. Size: 46x15x92mm