Specifications: They are super bright glow in the dark golf ball, you will have a lot of fun when play them at night. Glow golf ball is easy to be found when you play it at night, also suitable for Indoor and outdoor. It can be constantly lit up for 8 minutes after impact each time, and it's quite enough time for your collecting them back, less balls being lost. The battery inside will last 40 hours, which means that you can strike the ball over 800 times. No charger and no UV flashlight needed, you just need to hit it and it lights up automatically and will shows one beautiful arc in the sky. Kids who are just learning to play, give them a birthday, Christmas or thank you gift, let them know what you appreciate, and they will like it. get a lot of fun from it. Type: Glow Golf Ball Inner Layer Material: Synthetic Rubber Outer Layer Material: Surlyn Quantity: 7Pcs Battery: 2 x Button Batteries (Included) Elastic: Above 85% Hitting Number: Above 800 Compressive Hardness: 80 Occasions: Golf Flash Ball, Constant Bright Ball, Night Ball, Sports Protective Gear Accessories, Sports Outdoor Bags, Other Ball Sports Total Lighting Time: 48 Hours Voltage: 3v Current: 220mAh Feature: Glow in The Dark, Led, Night Sport Ball Diameter: 4.27cm/1.68" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x White Glow Golf Ball 1 x Red Glow Golf Ball 1 x Pink Glow Golf Ball 1 x Yellow Glow Golf Ball 1 x Green Glow Golf Ball 1 x Blue Glow Golf Ball 1 x Colorful Glow Golf Ball They are super bright glow in the dark golf ball, you will have a lot of fun when play them at night. Glow golf ball is easy to be found when you play it at night, also suitable for Indoor and outdoor. It can be constantly lit up for 8 minutes after impact each time, and its quite enough time for your collecting them back, less balls being lost. The battery inside will last 40 hours, which means that you can strike the ball over 800 times. No charger and no UV flashlight needed, you just need to hit it and it lights up automatically and will shows one beautiful arc in the sky.