NEW Light Sensor Servo Release Hook Mark II for DJI Phantom 3/4/4+, AFM re gopro

Description

Specification
This is a completely independent lock controller by using the front LEDs on/off to control the lock/unlock of the hook. A 9V battery is used (which is not included in our shipment).
It is simple, easy installation, and no need to dismantle any component of the aircraft. The installation is to follow the setting of the C2 switch.
YouTube Demo Video https://youtu.be/-bibA8K48t4
Payment
We accept PAYPAL only.
The listing price does NOT include any import tax and duty in your country. All the import tax and duty will be paid by buyers.
We will open an unpaid item case and cancel the transaction if the payment has not been completed within 3 days.
Shipping
We will ship out product within 3 business days after receiving buyer's payment.
The product will be shipped out by post office airmail.
Estimated Delivery time: 10-20 business days
Communication
If you have any question, please contact us via EBAY message.
Additional information & return policy
1. We don’t sell fake items.
2. We don’t accept specification change or different shipping method after the payment is completed.
3. Return is only accepted if the item you received is not as described or the item is defective.
4. Shipping cost will not be refunded except the item is defective.
5. Item must be returned with original packaging.