This is the Temperature Sensor for the Duratrax ICE Battery Charger DTXP4170,and the Great Planes Triton, Triton 2 and Triton ZX chargers.FEATURES: Monitors battery temperature during charging or dischargingAdjustable clamp fits batteries from 1/4" (7mm) to 3/4" (19mm) thickINCLUDES: One Temperature Sensor for the Duratrax ICE charger and the GreatPlanes Triton series chargers with instruction sheetREQUIRES: Placing battery pack between arms and connecting sensor to chargerSPECS: Length of Wire Lead: 10.1" (258mm)COMMENTS: Designed to function only with the Duratrax ICE charger and GreatPlanes Triton series chargers (except the Triton JR, it does notoffer this option)Do not allow water or moisture to make contact with the sensor.Do not cut or modify the sensor's wiring in any way.