Can you see through the frosted state?
No – at most vague silhouettes very close up or against bright back-light. Faces and details cannot be recognised.
Does the room get dark when the glass is frosted?
No. Most daylight still comes in, just scattered. PDLC is not meant for blackout.
What happens during a power failure?
Standard PDLC turns frosted (so privacy is preserved). Reverse PDLC turns clear.
Can I apply PDLC film myself?
Technically yes, and DIY kits exist, but the work requires precision (dust-free, bubble-free) and the mains connection belongs with a qualified electrician. Some suppliers only give warranty when certified installers do the job.
Can the film go on the outside of the window?
No. Self-adhesive PDLC film is for indoor use. For exterior applications PDLC is laminated into glass or into an insulating glass unit.
Does it work on double glazing?
Yes, the film goes on the inner surface. Watch out for heat build-up with dark or solar-control glass; ask the supplier for a thermal check.
Can it be cut into a shape or logo?
Yes. The film can be cut into almost any shape, and some manufacturers make films with several segments or patterns that switch separately.
Can I connect PDLC to my smart home?
Yes, via a driver with Wi-Fi/Zigbee or via a relay in your home-automation system. The glass can then, for example, turn frosted automatically when it gets dark.
How long does it last?
Manufacturers usually state 5–10 years or more. Laminated glass generally lasts longer than self-adhesive film because the film is better protected.
Does it make noise or emit radiation?
The film itself is silent. Some cheap transformers may hum slightly. The fields are very small and stay within the film.