Computerised 5A peak speed controller for scale model boats; recommended for 380/385 type motors. 2 - 12V main motor battery range. AUTOSET centre stick setting; selectable gentle/rapid acceleration. Motor stops if signal lost or receiver switched off. Screw terminal block connections for Motor and Power. Overall size 53.5mm x 37.5mm x 23mm. NOTE: This unit is not fitted with Battery Eliminator Circuitry (BEC).