[Nano suction cup + mechanical pressure valve, firm and seamless adsorption] Using nano-polymer suction cup, with mechanical pressure valve locking technology, the adsorption force is increased by 200%, and it fits the dashboard/windshield without a trace. The suction force remains the same after washing the car.[Dual style design, suitable for a variety of models] Optional instrument panel suction cup type (no glue direct adsorption) or trend snap type (compatible with horizontal/vertical/round trend), does not hurt the car body and the installation is stable.[Mechanical locking + anti-shake technology, zero shaking in driving] The mechanical locking device automatically fixes the mobile phone when touched, and the bumpy road section of the sudden brake still has zero shaking; the silicone clip arm is non-slip and scratch-proof, compatible with 4-7 inch equipment.[360 ° horizontal and vertical screen adjustment, does not block the line of sight] The spherical joint supports free switching between horizontal screen (navigation) and vertical screen (swiping video), and the low installation does not block the driving line of sight, improving driving safety.[High temperature resistant silicone, durable] The main body of the bracket is made of ABS + high temperature silicone, which does not deform or age under -20 ° C to 80 ° C environment, and remains stable as new after long-term use.