Rubber armor can protect the telescope easily and strongly in harsh conditions. With BAK4 prism lens design, you get a clearer and more colorful landscape. The cell phone holder can fix the cell phone to the telescope precisely to take photos and videos stably. The latest tripod s vibrations and enables hands-free calling. Universal smartphone holder, compatible with almost all smartphones on the market. This monocular telescope can reduce the distortion and reflection of light to improve the transmittance and brightness. Slipped non-slip rubber can the telescope from sliding in bad weather conditions. Perfect gift and gadget for birding,hunting,hiking,camping,traveling,sightseeing lovers.