Lightweight and precision-balanced for superior accuracy<br>• Indexed nock end provides added safety and easy ON/OFF design<br>• Fits any bolt with inside diameter 6.2MM<br>• Package includes 5 pieces red lighted nocks<br>• Note: it's not activated by the force of launch.before firing your arrow,please put the battery pin into the nocks,it will turn on.On the contrary,it will light off.<br /></p> <br /></p><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/556daa729fb8ca1a0c4d9aad-11-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/556daa729fb8ca1a0c4d9aad-12-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/556daa729fb8ca1a0c4d9aad-13-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/556daa729fb8ca1a0c4d9aad-14-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/556daa729fb8ca1a0c4d9aad-15-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/556daa729fb8ca1a0c4d9aad-16-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/556daa729fb8ca1a0c4d9aad-17-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/556daa729fb8ca1a0c4d9aad-18-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><p style="text-align: center;"><p style="text-align: center;">