The RS100 uses a custom oversized motor and heavy duty stainless steel gears for supreme power delivery and durability. The RS100 is an excellent option for applications in need of a reliable, durable, and powerful micro servo! Features a CNC-machined aluminum case with custom curved mounting tabs for added clearance, water resistant with 7-point O-ring seal, conformal coated electronics, hardened stainless steel gears for maximum durability, and a high quality angle sensor for the highest level of precision.