This product introduction Product model: C18seven (EC1threefive) Product Description: Four way single blade aileron free realistic helicopter (fixed altitude version) Product material: PA \ PC Product size (mm): rotor diameter two5sixmm, body length 257mm, height 81mm Packing quantity: 12 units Color box size (mm): 310 * 2four0 * 86 Flight weight (g): 98 Packaging: Color box+blister box Packaging weight (g): 650 Net weight KG: 8 Gross weight KG: 9 Flight time: 13-15 minutes Charging time: approximately 40 minutes Remote control distance (meters): 80-100 meters Number of drive motors: two Battery details: 7.4V body, remote control 4 * 1.5AA (not included) Product accessory details: Color box packaging * 1, helicopter * 1, remote control * 1, manual * 1, USB charger * 1, main propeller * 2, tail propeller * 1, lithium battery * 1, screwdriver * 1, hex wrench * 1 Product features and advantages: Adopting a single blade aileron free design, a 6-axis electronic gyroscope for stability enhancement, and incorporating a barometer for altitude control, making flight more stable and easier to operate! Long battery life! Impact resistant! The appearance is reduced in proportion to the actual aircraft, which can not only control flight but also serve as a decoration Product full functionality: 1 No aileron design, incorporating aerodynamic principles to design propellers that provide strong power and body stability. Simple 4-channel design, using a 6-axis gyroscope for ultra stable flight; 2 Barometer setting for stable flight; 3 Modular battery, intelligent power management system, battery level indicator, easy and fast installation, effective protection of the battery, and longer service life; 4 Special stunt actions such as ascending, descending, advancing, retreating, flying on the left side, flying on the right side, rotating on the left, rotating on the right, flying on the route, and brushing the pan; 5 6G mode, using a 6-axis gyroscope, stable flight, especially suitable for beginners in flight; 6 Low voltage alarm, locked rotor protection, loss of control protection Functions such as switching between large and small rudder quantities, one click takeoff, one click landing, etc; 7 Equipped with a dedicated USB charger, fast and stable charging; 8 Hardware rotor head assembly for increased strength and durability