How to Use: Open the front cover, remove the screws on the display board and unscrew the cables under the display board, align the new display board with the holes and insert and tighten the screws on the cover, then press the power button for normal operation. Specification: Item Type: Electric Scooter Dashboard and Dashboard Cover Product Material: Aluminum Alloy, PlasticBluetooth Board Size: Approx. 70x23mm / 2.8x0.9in Voltage: 42V Application: Suitable for G30 Electric Scooter Color: As Pictures Shown Weight: Approx. 40g / 1.4oz Package List: 1 x Dashboard 2 x Patch 2 x Dashboard Cover