Water Resistant Operating Voltage: 48 Volt Battery Status: The battery indicator has 10 colored LEDs that display the battery charge level. When the battery is fully charged, the 10th LED lights up green. As the battery discharges, lower LEDs illuminate sequentially. The 9th, 8th, 7th, 6th, 5th, and 4th LEDs are green. At approximately 30% battery life, the 3rd LED illuminates yellow as a caution indicator. At approximately 20% battery life, the 2nd LED flashes yellow. When the battery level reaches approximately 10%, the 1st LED flashes red while the 2nd LED continues to flash yellow. It is recommended to recharge the battery when the 3rd yellow LED illuminates to prevent complete discharge. This device is not guaranteed to be error-proof, and no claim is made regarding the condition of the battery. Color: Black Material: Plastic Size: Approximately 53 x 24 x 28 mm Package Contents: 1 x LED Battery Indicator Note: The package includes only the item listed. Other products are not included. Note: Lighting and display differences may cause the color in the image to vary slightly from the actual product. Measurement may vary by +/- 1-3 cm.