SNAP SYSTEM: Snap Square base design allows the light to be positioned vertically or horizontally. SP-15 BRACKET: New SP-15 seatpost bracket fits contemporary aero seatposts. BATTERY AUTO SAVE: The mode automatically changes to flashing when the battery power gets low. USB RECHARGEABLE: 3.5 hour recharge time with included Micro USB cable. FOUR MODES: Constant (40 lumens - 5 hrs), Flashing (40 lumens - 65 hrs), Group Ride (130 lumens - 10 hrs), Daytime Hyperflash (450 lumens - 14 hrs). BE SEEN AT A DISTANCE: Long rear beam projection technology greatly increases the effective visibility range, giving motorists more time to react. 450 LUMEN DAYTIME SAFETY LIGHT: 5 LEDs with OptiCube lens technology and 450 Lumen Daytime Hyperflash makes this the brightest CATEYE safety light to date.

Brightness: 450 Lumen. Number of settings: 4. Item Dimensions LxWxH: 2.97 x 0.98 x 1.34 inches. Mounting Type: Mounting on the saddle post. Item Weight: 45 Grams. Water Resistance Level: Waterproof. Power Source: Battery Powered. Material: Plastic. Brand: CAT EYE. Color: Red. Date First Available: July 17, 2021. Best Sellers Rank: #46,855 in Sports & Outdoors. Customer Reviews: 4.6 out of 5 stars 206 ratings 4.6 out of 5 stars. : B08VJJWXSN. Sport Type: ?Cycling, Outdoor Lifestyle. Size: ?One Size. Included Components: ?Rear Light. Style: ?Viz 450. Model Year: ?2021. Part Number: ?5447320. Manufacturer: ?CATEYE. Number of Items: ?1. Suggested Users: ?Unisex. Model Name: ?Viz 450 Rear Light. Warranty Description: ?2 years. Brand Name: ?CAT EYE. Package Weight: ?0.26 Kilograms. Item Package Dimensions L x W x H: ?5.31 x 5.24 x 1.65 inches. International Protection Rating: ?IPX4. Auto Part Position: ?Rear. Brightness: ?450 Lumen. Number of settings: ?4. Item Dimensions LxWxH: ?2.97 x 0.98 x 1.34 inches. Mounting Type: ?Mounting on the saddle post. Item Weight: ?45 Grams. Water Resistance Level: ?Waterproof. Power Source: ?Battery Powered. Material: ?Plastic. Brand: ?CAT EYE. Color: ?Red.