Spy Reversible Speed Control:Micro / 1/18th Scale and Smaller Product Features Polar Drive Radio Priority Circuitry Current Limiter Thermal Protector Overview Novaks smallest and lightest ESC to date, the Spy reversible speed control includes solid Novak features like one-touch setup, radio priority circuitry and smart braking, weighs a mere .51oz and measures 1.12” x .95” x .48”. Specifications Reverse: yes Continuous Maximum Current: 12 Amps Input Voltage: 4-7 cells Motor Limit: None Dimensions: 1.12 x 0.95 x 0.48 in Weight: 0.51 oz Full On Resistance: 0.01900 Wire Gauge: 20 GA