This EMAX ES3054 servo is great for hobbyists building FPV projects. It's small, weighing only 20.1g and measuring ~28.5x13x31mm. With metal gears and digital operation, it offers reliability and smoothness. The operating voltage is 4.8 - 6.0C. It comes with 1 servo, 3 plastic servo horns, and 1 mounting hardware set.