specification:<br />color: black<br />mode: 3 modes<br />light color: yellow<br />alarm sound: 120 decibel<br />remote distance: 1-100mopen area<br />battery: 3.7v 800ma lithium battery<br />waterproof: ipx5 waterproof<br />lamp beads: cob light source<br />buzzer material: copper<br />remote control battery normal use about 8-12 months<br /><br />features:<br />4 in 1 intelligent sound and light anti-theft alarm taillight.<br />ultra-high 120 db alarm.<br />three modes to change.<br />wireless bell function.<br />cob taillight function.<br />remote alarm function.<br />usb chargeable<br />ipx5 waterproof<br />neat &amp;amp;amp; nice design<br />charging time 2-3 hours，for more than 30  standby / 15 to 20  being used<br /><br />warning:<br />1.keep awaychildren play.<br />2.please do not directly at your eyes with taillight，avoid unnecessary harm.<br />3.do not place the alarm on your ear，avoid pressing the alarm button or hearing damage，at least two meters awayyour ears.<br /><br />package includes:<br />1 x alarm taillight<br />1 x remote control<br />1 x remote base<br />1 x charging cable<br />1 x installation tools<br />1 x bandage<br />1 x mounting screws<br />1 x holder<br />1 x instructions