Power: 3 AG10 button batteries (3 batteries per lamp)
Installation method: screw on the valve of the wheel
Replacing the battery: When removing the battery, do not rub two or more batteries together, which will cause the battery short circuit.

Precautions:
1. The battery installation needs to be positive (the positive side is with word).
2. The looseness of the circuit board inside the lamp head is normal. Be careful not to drop the circuit board when unloading the lamp.

Package Weight

One Package Weight 0.03kgs / 0.07lb One Package Size 15cm * 6cm * 5cm / 5.91inch * 2.36inch * 1.97inch Qty per Carton 441 Carton Weight 15.00kgs / 33.07lb Carton Size 30cm * 50cm * 50cm / 11.81inch * 19.69inch * 19.69inch Loading Container 20GP: 355 cartons * 441 pcs = 156555 pcs 40HQ: 825 cartons * 441 pcs = 363825 pcs