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We are selling from Japan.
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Features: 270 degrees, metal gear
Working voltage: 4.8 ~ 6.8 DC Volts
Compatibility: Techno SCT 410.3, Raster Chassis, DHK Maximus, TRX4, GEN 7 PRO, etc.
This servo is waterproof but it cannot work underwater
What you get: 4pcs DS3218 digital servo and 4pcs 25T servo arm
DS3218 Water Resistant Digital Servo 25T High Torque Motor Metal Gear 20kg 270 Degree Rotation RC Toy DIY Model with Servo Arm (Pack of 4 Pairs)
explanation
High precision metal gear with hard anodizing
CNC aluminum middle shell
water proof rubber seal screw
This is the specification
Stall Torque (5V): 19 kg/cm (263.8 oz/in)
Stall Torque (6.8V): 21.5 kg/cm (298.5 oz/in)
Deadband: 3μs
Speed: 0.16 seconds/60°(5V)/0.14 seconds/60°(6.8V)
Working voltage: 4.8 ~ 6.8 DC Volts
Weight: 60 g (2.12 oz)
Motor type DC motor
Gear Type: Copper & Aluminum
Frequency of work. 1520μs/333hz
CE certification: Yes
Size: 40 x 20 x 40.5 mm (1.58 x 0.79 x 1.60 in)
package included
4 X DS3218MG Digital Servo
4 X 25T servo arm