1. Power: 2.5W. 2. Input: DC6V-12V 3. Brightness: 200 lumens 4. Light output is ,can reach long distance. 5. Material:CNC Aluminum Housing,high end light. 6. Wire:Length 80cm,the red wire is positive pole,and the black wire is negative pole. 7. IPX5 waterproof,heavy rain waterproof8.Connector can match with many Bafang Middle Motors BBS01 BBS02 BBSHD.About Model ON-EB100 and ON-EB150These two models with same below feactures:1. Power: 5W.2. Input: DC12V to 62V3. Brightness: 300 lumens4. Material: Aluminum, light.5. Wire: Length 1 meter6.Size: 50*60*50mmD1.ON-EB100 with horn,cable with three color,red cable is positive pole,black is negative,yellow is for horn.And the horn best work voltage is DC18V-62V2.ON-EB150 with button on back too,it's come with SM connector,and also connector for rear light.Can Install on Handlebar Headlight: ON-EB300:Specifications:1. Power: 4W.2. Input:DC12V 24V 36v 48V 62V3. Brightness: 250 lumens4. Material: Plastci,light weight.5. Wire: Length 1 meter6. IPX4 waterproof, rain waterproofWith two kinds installation way:1.The e-bike headlight install on handlebar,looks great mount2.The headlight install on fork,not ocupy your handlebar spaceThe light output will not dazzle others on road-Use German Stvzo standard-Light output on road centralWe attach great importance to the customer experience If you have any issue just contact us and We will make it right.