1- Safety Rear light indicator has three Modes- Constant flash, Blinking flash, Off 2- Flexible/Stretchable waterproof silicone material. 3- One-touch switch design, easy to Operate. 4- Safety rear light will ensure your safety while riding in the darkness. 5- This indicator is detachable with the cycle handle. 6-Different and attractive colours. 7- No accessories required. Caution and Tips 1- Carefully install batteries, make sure the proper polarity. 2- Please do not forgot to turn off the switch after use. 3- Remove the batteries, when you are not using the lamp for long period of time. 4- Do not turn the lamp ON/OFF while riding the bicycle. 5- Do not look directly towards the light, it may cause damage to your eyes. 6- This product is not a toy and not a substitute for adult supervision. 7-This is not a tether and chewing on it by the child must be avoided.