Set includes front and rear light. Turn on only when attached to the bike. Scratch and scruff resistant due to rubber backing. Includes batteries. Magnetic lights only work with steel and steel alloy frames, not aluminium.
Each - H: 4 cm W: 3.6 cm D: 3.6 cm.
Each - 44 g
2 CR2032 batteries each. Battery Life: approx. 14 hours. Lights have both blink and steady mode.