He reliable hardware combined with powerful software (features an array of programmable parameters like start force, drag brake rate, and etc. ) creates an ideal power solution to 1/10th, 1/8th rock crawlers. The waterproof and dust-proof design allows the wp-crawler-brushed to be used in all weather conditions without any issue of damage caused to the esc from water or debris. Hobbywing's innovative, fine-tunable drag brake rate and adjustable drag brake and brake force greatly improve the brag brake and allow users to have the excellent braking performance. The wp-crawler-brushed, which features 15 programmable parameter items, is applicable to various vehicles and tracks. A standard, dedicated led program box (included in the box) allows users to program the wp-crawler-brushed easily. Hobbywing quicrun wp crawler brushed esc features: special design for 1/10th, 1/8th crawlers adjustable pwm frequency & advanced deo/freewheeling technology applicable to all weather conditions excellent braking performance super internal bec separate programming/fan port 15 programmable parameters led program box is included spec check: scale: 1/8th & 1/10th waterproof: waterproof cont. /peak current: 80a/400a input voltage: 2-3s lipo/5-9 cell nimh bec output: switch mode: 6v/7. 4v@3a input wires: red-14awg-200mm*1 / black-14awg-200mm*1 output wires: blue-14awg-200mm*1 / yellow-14awg-200mm*1 input connectors: xt60 connectors output connectors: no esc programing via size: 36. 2x31. 6x17. 0mm weight: 58. 5g (w/wires) (hw30112750)