SmatreeÂ® SmaPole S2 for GoPro Cameras SmaPole S2 is an improved design Smatree Pole, which is also made of high quality aluminum-alloy for lighter, stronger and lifetime use. And SmaPole S2 is integrated with a tripod mount that has a CNC molded aluminum-alloy nut, never to worry about losing the nut as well as SmaPole S1. Really Convenience! What is difference between SmaPole S2 and SmaPole S1? First, SamPole S2 with a Detachable Housing for WiFi Remote Controller. Second, at the lower end of SmaPole S2, Rubber sac instead of Sponge coil for more durable and convenient use. The Commons: Size: retract to 15.8″, extend to 40.5″. The pole is divided into 3 sections; each section has a fast spiral lock. Simply twist counter clockwise 1/4 round to release, choose your desired length, and twist clockwise to lock. As the pole bottom is equipped with a black cord buckle, this can prevent pole falling or losing when you are surfing, or going on high-speed movement. You could also use Smatree aluminum wrench to tighten your screws, whatever Smatree screws or OEM screws. They can strengthen products to the most stability when you are surfing, racing, parachuting etc. SmatreeÂ®: If for any reason you are unhappy with any product by SmatreeÂ®, please do not hesitate to contact Kumu World Customer Service with your order ID. We take full ownership and responsibility for the quality of our products and will do our very best to solve your problem quickly and efficiently! SmatreeÂ® is a registered trademark protected by US Trademark Law. SmatreeÂ® products are sold by authorized sellers only. Kumu World is the sole agent of SmatreeÂ® on Amazon.