LOFOME Universal Air Vent Clip for Car Mount,Ultra Strong Vent Grip for Most Car Phone Holder&Wireless Car Charger-Only Vent Clip for Replace/Upgrad(Compatible with Joint Ball Diamenter 0.67 in/17mm) V Shape auspowers_batchtwo This cell phone holder for

This cell phone holder for car could stand stable and firm even in extremely harsh environments

NO / NC output Built-in bell button can connect a external bell Built-in proximity card reader (125KHZ ASK modulation) Built- in keypad for PIN code entry Sensitively and response quickly Auxiliary input & auxiliary output 8 Auxiliary Modes including : door ajar

Arbor hole: 5/8" (16mm)

(You can cover the other end by dark paper if you want it to flash in daytime

LOFOME Universal Air Vent Clip for Car Mount,Ultra Strong Vent Grip for Most Car Phone Holder&Wireless Car Charger-Only Vent Clip for Replace/Upgrad(Compatible with Joint Ball Diamenter 0.67 in/17mm) V Shape auspowers_batchtwo This cell phone holder forLOFOME Universal Air Vent Clip for Car Mount,Ultra Strong Vent Grip for Most Car Phone Holder&Wireless Car Charger Only Vent Clip for Replace Upgrad(Compatible with Joint Ball Diamenter 0. 67 in 17mm) Excellent Car Air Outlet Adaptability By LOFOME V shape car accessory fixing triangle, fits 98% different types of car vents for locking car phone holder and tablet holder, Retractable Design. Perfect for Round vents(Especially suitable for various round