Brand No Model SM-S4303R Quantity 1 Piece(s)/pack Color Black Material Plastic + iron Compatible device Robot RC boat model Functions Tension: 13kg / 360 degrees; Size: 42 x 20.5 x 39.5mm; Working torque: 3.3~5.1 kg; Tachyphylaxis: 60~70 R/M; Working temp: -30~60 centigrade; Plug type: JR plug; Working current: 100mA; Working voltage: 4.8~6V; Operating speed: 0.12 second / 60 degree (4.8V); 0.10 second / 60 degree (6V) Packing List 1 x Steering gear 7 x Screws 2 x Helm 4 x Multifunction rudder horn 4 x Anti-vibrating bumper case 6 x Aluminium sheath