The Blade® Nano S3 BNF Basic is a micro collective pitch helicopter that takes indoor 3D flying to the next level. Featuring improved AS3X® stability, SAFE® flight modes with angle limits, Panic Recovery, and SAFE Z altitude control, it makes mastering flips, inverted flight, and other maneuvers easier for all skill levels. Built with super-resilient polymers, a carbon-fiber main shaft, and tail boom, the lightweight airframe is highly durable while delivering precise, responsive control. Linear servos and a 45C LiPo battery provide efficient power and control authority. Nearly all parts from the Nano S2 are compatible, making repairs simple. Features: Powerful - Powerful coreless motors allow for advanced 3D maneuvers Light Weight - Low disc loading for advanced aerobatics Linear Servos - Provide faster response and better holding torque over normal rotary servos Stability - Z mode: Limited flight envelope with self-leveling and a low bank angle limit as well as software dampened pitch control. Stability mode: Limited flight envelope with self-leveling and a low bank angle limit. Agility mode: Full control authority with no bank angle limit. Specification: Approximate Assembly Time: No Assembly Required Approximate Flight Time: 4-5 minutes Battery: Sold Separately Canopy/Body Material: Plastic Charger: Sold Separately Completion Level: Bind-N-Fly Basic Main Blade Material: Plastic Main Frame Material: Plastic Main Motor Type: Brushed Main Rotor Blade Length: 3.3" (84 mm) Main Rotor Diameter: 7.71" (196 mm) Main Rotor Head Type: Collective Pitch Flybarless Minimum Required Radio: DSM2®/DSMX® Compatible Transmitter Power Type: Electric Product Height: 3.11" (79 mm) Product Length: 7.87" (200 mm) Product Weight: Without Battery: 28g / With Recommended 1S 150mAh Flight Battery: 32g Radio: Sold Separately Receiver: Included Recommended Motor Battery: 150mAh 1S 3.7V 45C Li-Po Battery Skill Level: Level 2 Speed Control: Included Tail Blade Material: Plastic Tail Drive: Direct Drive Tail Motor Type: Coreless Tail Rotor Diameter: 1.57" (40 mm) Technology: AS3X and SAFE