If only OEM rebrand logo, the minimum order quantity is 100pcs per item.
If want to do your own color and design, the minimum order quantity is at least 500pcs per item.
Regarding the ODM products, it will depend on requirements, and it is normally start with 500pcs per item.
If use in normal condition, it can be splash-proof, water-proof and dust-proof. The functions of splash-proof, water-proof and dust-proof are not permanent, its protecting function will be declined by wear and tear.
The IP67 waterproof servo can be used within 1 meter depth water at 30 minutes. Important notes, please blow dry the servo after it is used inside of water.
The working condition of IP67 waterproof level :
No flowing water, water depth less than or equal to 1 meter;
Experimental time: within 30 minutes;
The temperature difference between the water and the product shall less than 5℃.
The Smart Servo is the great product which has two application -Winch Servo and Regular Servo. It is available to change the firmware via USB programmer for different usage as request, very flexible and easy. (Specially for Smart Servo.)