AC 110V to DC Motor Speed Controller, 400W Below DC 24V 36V 90V Motor Variable Adjustable Speed Regulator, Knob Stepless Speed & Current Protection auspowers_batchone Suitable for wood and metal Size:8X Large Suitable for wood and metal console2 Compatible Kenwood Radio Models: For KNB 45L battery: TK 2200 TK 2200L TK 2200P TK 2200LP TK 2202 TK 2202E TK 2206 TK 2206M TK 2207 TK 2207G TK 2212L TK 2212M TK 2300VP TK 2302E TK 2302T TK 2302VK TK 2306M TK 2307M TK 3200 TK 3200L TK 3200P TK 3200LP TK 3202 TK 3202E TK 3202E3 TK 3206 TK 3206M TK 3206M3 TK 3207 TK 3207G TK 3212L TK 3212M TK 3300UP TK 3301E TK 3301T TK 3302E TK 3302E3 TK 3302T TK 3302UK TK 3306M3 TK 3307M2 For K NB 63L KNB 65L battery: TH K20A 400W Below DC 24V 36V 90V Motor Variable Adjustable Speed Regulator The panel action switch only controls the start and stop of the motor