This is a good deal on a "brand name" bike light. Combo retails for around $74 from reputable bike shops online. I purchased two for my mountain bike and they get the job done,
RAVEMEN – LS15 CR800 + TR30M Dual LED Light Set – Black/Red
Anti-glare lens with T-shaped beam
The second generation of RAVEMEN anti-glare lens creates a T-shaped beam with close-range flood light and long-distance spotlight
Left and right side visibility
Dual side lights to increase your side visibility and riding safety at crossroads
Battery runtime extension
Extend the runtime of the battery by connecting with external power source for emergency lighting when the light is in low power, no worry to be left in the darkness
Wired remote button
Change the brightness levels safely without releasing the grip during riding; long press to activate max output for signaling or emergent needs
IPX6 water resistance and durable anodized aluminum body
Ready for extreme weather and riding situations
Transparent pure red light body
Providing 360 degree beam angle
Special internal reflecting patterns
Convert dual LEDs point lights into panel lighting alike, enhancing the rear and side visibility and increasing rider’s safety
Brighter and larger side visibility
By mounting the light in a nearly horizontal position the light body is more obvious than the traditional vertical way
Mounting angle adjustable to suit different needs
Adjust the angle for daily riding with max visibility or for group riding without dazzling following riders
What’s Included
RAVEMEN – CR800 Dual LED Headlight
RAVEMEN – TR30M LED Tail Light
Handlebar Mount
Base Mount
2x USB Cable
Wired Remote Button