Product Description

100% original 450 Helicopter Lock tail digital servo Power servo HD HD-3688HB vs S9257/DS520
Torque(4.8V): 2.3 kg-cm (31.94 oz/in)
Torque(6.0V): 2.8 kg-cm (38.88 oz/in)
Speed: 0.08 sec (4.8V) / 0.07 sec (6.0V)
Operating Voltage:4.8 ~ 6.0 DC Volts
Weight:25 g (0.88 oz)
Bearing Type: Ball Bearing x 1
Motor Type:Coreless Motor
Gear Type:Plastic
Operating Temperature:-20~60(Degree)
Working frequence:1520μs / 333hz
Size:35.5 x 15.0 x 28.6 mm ( 1.40 x 0.59 x 1.13 in) Shipping:
Items will be sent to all the countries over the world, (Russian Post was affect by LCACS, so the local mail delivery services (including EMS) will be delayed many times) The shipping costs to all countries are the same. Item will be shipped within 1-2 business days This package will be sent by China Airmail Post Items will be checked carefully before sent out. We will use air bubbles to wrap the items carefully
Notice:It\'s has registered mail and common mail . Registered mail need to pay the other $2 .If you want to sent by registered mail ,please pay it and note on the item .Thanks .
Sales Tax:
No Sales Tax is Require
Warranty & return: For ensuring all the items are in good quality, we will test all products before the packages were sent out . 30 days warranty from the purchased date. Please contact us via email before returning the defective item. Return items should include the original packaging and all accessories.
Only defective product will be offered exchange.
Contact us :
Our office hours are :
- 8:30 a.m. to 6:00 p.m. (GMT +8) of Monday to Friday
- 8:30 a.m. to 1:00 p.m. (GMT +8) of Saturday
- 8:30 a.m. to 6:00 p.m. (GMT +8) of Sunday
- Our office is closed on public holidays (China). We apologize for the late reply during the holidays.
We have always been trying to provide the best service and reliable products for every customer. Please contact us to resolve any issue before leaving negative feedback . we will assist you in any way possible and aim to answer all emails .

  • Use: Vehicles & Remote Control Toys
  • Model Number: HD-3688HB
  • RC Parts & Accs: Servos
  • Material: Metal
  • Remote Control Peripherals/Devices: Servos
  • For Vehicle Type: Helicopters
  • Tool Supplies: HD-3688HB servos
  • Four-wheel Drive Attributes: HD-3688HB servos
  • Upgrade Parts/Accessories: HD-3688HB servos

  • Unit Type: piece
  • Package Weight: 0.12kg (0.26lb.)
  • Package Size: 6cm x 4cm x 1cm (2.36in x 1.57in x 0.39in)

SKU: a16070

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