Thicken Version Car Multimedia Player Radio 6.5'' Touch Glass Screen For MIB STD2 682 200 Without any protection

what's the difference between with film and without film
With film function :
1. Anti-blue light
2. Fingerprint prevention
3. Anti reflection
4. Anti dazzle
5. Touch sensitive
6. HD, reduce color loss
Thicken version :
With double layer .

Other product recommend：