Product name: bicycle tail lamp

Material: plastic

Size: 7.1 * 2.1 * 2.2cm

Modes: 4 modes

Net weight: 43g

Charging time: 2 hours

Running time: 4-8 hours

Battery: 3.7V, 600 mah lithium battery

Package List:

1 * Bicycle tail lamp

1 * Charging cable