Description LED button diameter: 16mm Voltage range:3S-14S (12V-60V) Max current:200A(It is better to increase bigger heat sink) Continuous current:100A(With Aluminum PCB/case V3.0),60A(with heatsink) Burst current 800A(theoretical current) V3.0 PCB thickness: 6 layer*3oz copper=18oz copper Pro V3.0 Dimensions(with heatsink and heat shrink): 42.2mm X 33mm X 26.6mm(12AWG Wire) With Aluminum PCB/case V3.0 Dimensions:72mm X 37mm X 16.2mm(8AWG Wire) Due to different batches, the appearance, color, and printed words of the product may vary, which does not affect its use. Colour:black Material:plastic Package Contents: 1 x Antispark Switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.