The input voltage of the product is 12-24V
Polarity test: power up components prior to fitting including cooling fan motors / fuel pumps / window/sunroof motors / relays and lamps / wiper motors
One Package Size 9cm * 9cm * 6cm / 3
RF signal receiving sensitivity: -90dbm
Waterproof level: not waterproof
For Buick ENVISION 2014-2018 Car PET Rearview Mirror Protective Window Clear Anti-fog Waterproof Rain Shield Film Type-Video Accessories The input voltage of the1. PET + Nano coating protective film with high transmittance, Anti fog, anti glare, anti mist, waterproof, rainproof, which effectively protects your driving safety in a rainy or foggy day. 2. Shield and protect your Rearview Side Mirrors from unwanted scratches, smears, dust and dirt, so as to keep your rearview mirror clear all the times. 3. Just take a few minutes to install it to your Rearview Mirror directly, squirt a little water on the mirror,