Band: Walkera - Model: MTC-01 - Quantity: 1 - Color: Black - Material: Plastic - Frequency: 2.4G FH - Output power: less than 10mW - Overall unit current: less than 35mA - Apply battery: 3.7V 80mAh - Weight: 10g - Make sure all the WK series radios can be compatible with all DEVO series helicopters - Let all the users who have WK transmitters to enjoy the DEVO series helicopters now - Comprehensive compatible Android system cellphone transmitters - Base on the smart phones built-in sensor dynamic technology the aircraft can be controlled by the cellphone on real-time flight - Two control mode: Gravity sensor mode and full simulate transmitter operation mode - Can make independent reverse setting through each channel 4 channel trims setting. - Setup PIT DR THRO curve parameters according to needs - Packing list: - 1 x Converter controller - 1 x Connect cable - 1 x UBS charger - 1 x Manual