SG90- Color: Blue- Material: Plastic- No load operating speed: 0.12 sec / 60 degree(4.8V), 0.13 sec / 60 degree(6.0V)- Operating voltage: 4.8V- Temperature rang: -30'C~60'C- Dead band width: 4us- Working voltage: 3.5~6V- Cable length: 25cm- Suitable for R/C helicopters- Comes with 3 x screws and 3 x rudder angles