Description:<br />This product was designed for work card｣ｬ student card｣ｬ ID card.<br />Super bright nylon rope + ABS switch box｣ｬ makes enough light when you used it at night.<br />Three Flash Mode: long light｣ｬ fast flash｣ｬ slow flash.<br />Perfect for Christmas party｣ｬ outside sport｣ｬ running｣ｬ hiking｣ｬ ridding｣ｬ hip hop｣ｬ etc.<br />Long life span with two easy-replace button cell battery CR2032.<br /><br />Package includes:<br />1 x LED Lanyard(1 battery included).