Working current: Less than 10mA Working voltage: DC5V-30 Display mode: LED indicator Refresh speed: 500ms/time 1. The first time the product is powered on, the default is 3S voltage of ternary lithium battery. 2. In the normal display state, if there is no operation key within 10 seconds, the product will automatically shut down, display and enter low power consumption. 3. You can manually press the key briefly to close the display and enter low power consumption; When the product is turned off, press the key briefly to turn it on and display the power. Material: Plastic colour: as shown Package Contents: 1 display panel Only the above package content, other products are not included. Note: Light reflection 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.