This generic sub-micro servo is one of the lightest servos we carry, weighing just 3.7 g (0.13 oz) without the lead. It is intended for use between 4.8 and 6 V (i.e. with 4- or 5-cell NiMH or NiCD battery packs). Servo horns and associated hardware are included. Key specs at 6 V: 0.07 sec/60°, 6 oz-in (0.4 kg-cm), 3.7 g (0.13 oz).
This is a micro servo for RC plane helicopter Boat. It is super light. High-Quality Product. It comes with a 3-pin power and control cable and mounting hardware.

Specifications:

1. Item Name: 3.7g Servo
2. Speed: 0.12s/60?@4.8v (no load running)
3. Torque: 0.6kg*cm@4.8v
4. Weight: 3.7g (without connector)
5. Power: 3.7v -7v
6. Working Current: <280MA (4.8V)

Purchase Link:https://flyingmachines.in/product/3-7g-micro-servo/