The Serfas CP-N2 Light Combo includes front and rear safety lights to outfit the regular bike commuter. A bright SL-155 headlight runs on two AA batteries at 155 lumens for up to 7:30 hours, and the TL-411 taillight uses two AAA batteries to power its LEDs for up 70 hours in flashing mode. Universal mounting brackets allow versatile attachment to practically any bike.
Claimed weight is 130 g headlight, and 75 g taillight (including brackets).
SL-155 Headlight Burn Times:
TL-411 Taillight Burn Times: