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Product guide

CIRYCASE Q4 Front and Rear Bike Lights

Lights: CIRYCASE Q4 is a rechargeable front and rear bike light set with separate controls and multiple light modes. Its listed 400-lumen maximum and claimed long runtimes in slow-flash mode may suit riders who want a compact lighting set, but the listing gives conflicting battery-capacity and mode-count details to check before buying.

At a glance

Separate switches and independently usable main and auxiliary lights are claimed for both units.
The description claims up to 58 hours for the front and 25 hours for the rear in Slow Flash mode, not across all settings.
The listing describes tool-free mounting and adjustment between horizontal and vertical positions.
USB-C charging and an indicator that flashes green below 20% battery are claimed.

Price

£12.94Save 28%

Reference price: ~~£17.99~~

Price checked: 12 Nov 2026

View offer

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Pros and cons

Pros

Front and rear lights are listed together, with a USB-C cable and two silicone mounting straps in the explicit contents list.
The separate controls and main and auxiliary light modes offer different operating combinations, according to the listing.
Customers report bright illumination, quick charging and easy mounting. Some also report good battery life.

Technical specifications

20 specifications

Identity and output
Brand	CIRYCASE
Model	Q4
Maximum light output	400 Lumens
Listed number of settings	4
Colour	Black

Power and battery
Power configuration	Battery Powered

Dimensions and installation
Mounting type listed	Handlebar Mount
Dimensions listed	22L x 14W x 7.9H centimetres
Weight listed	70 Grams

Materials and protection
Water resistance listed	Waterproof
Material listed	Acrylonitrile Butadiene Styrene
Protection rating claimed	IPX6

Lighting and operation
LED arrangement claimed	2 X Main lights + 19 X Auxiliary Lights
Front and rear mode configuration claimed	The front bike light has 2 X 4 modes and the rear bike light has 2 X 6 modes
Front battery capacity claimed	1100MAH
Rear battery capacity in feature text	350MAH
Rear battery capacity in product description	250MAH
Front runtime claimed in Slow Flash mode	up to 58 hours
Rear runtime claimed in Slow Flash mode	25 hours
Charging time claimed in product description	Front Light 2.5 Hrs/ Rear Light 1.5 Hrs

What to know before buying

The explicit package contents list names the front light, rear light, USB-C cable and two silicone mounting straps. A separate kit claim is not corroborated by that list, so confirm any additional accessory in the selected listing. The listed dimensions are unusually large for a light set, so verify them if fit or storage space matters.

Listing details to confirm

The listing is inconsistent about battery capacity and lighting modes: rear capacity is given as both 350MAH and 250MAH, while the title highlight says 8+12 modes, another detail says 4 settings, and the feature text describes 2 X 4 front and 2 X 6 rear modes. The 400-lumen maximum is not broken down by lamp. Runtime figures apply only to Slow Flash mode, so check the selected listing for the configuration you need.

What’s in the box

1 front bike light (white)Included
1 rear bike light (red)Included
1 USB-C charging cableIncluded
2 silicone mounting strapsIncluded
Additional kit accessoryCheck selected pack

Check which accessories are included in your selected pack before buying.

Who is it for?

A good fit for

Riders wanting a front-and-rear light set with multiple claimed modes and rechargeable batteries.
Buyers who value tool-free handlebar mounting and want lights that the listing also describes for camping or emergency use.

Less suited to

Riders who need a verified battery capacity, a single clear mode count or runtime figures for steady illumination.
Buyers who need a confirmed output for each individual light or precise product dimensions before ordering.

CIRYCASE Q4 Front and Rear Bike Lights · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 1,003 ratings

5 stars75%75%
4 stars16%16%
3 stars4%4%
2 stars1%1%
1 star4%4%

Customer feedback highlights bright illumination, quick USB-C charging and easy installation, with reports of good fit and value. Feedback on reliability and battery life is mixed, including a report of the front lights stopping after a few months. For buyers choosing this set, the reported convenience aligns with its rechargeable design and strap mounting, while the mixed durability comments matter if dependable long-term use is a priority.

Positive themes

Customers report bright illumination, quick USB-C charging and easy installation.
Some customers report good fit and long-lasting battery life.

Negative themes

One customer reports the front lights stopped working after a few months.

Mixed feedback

Feedback on reliability and battery life is mixed.

Frequently asked questions

How many lighting modes does the Q4 set have?

The listing does not give one consistent count. It mentions 4 settings, 8+12 modes, and separate front and rear main and auxiliary mode counts. Confirm the selected listing's configuration before buying.

What runtime is claimed?

The product description claims up to 58 hours for the front and 25 hours for the rear in Slow Flash mode. These are mode-specific claims, not runtimes for every setting.

What is included?

The explicit contents list names one white front light, one red rear light, one USB-C charging cable and two silicone mounting straps. Another kit claim is not confirmed by that list, so check whether any additional accessory is included.

Is the battery capacity specified consistently?

No. The feature text lists the rear battery as 350MAH, while the product description says 250MAH. The front is listed as 1100MAH.