Door hardware that improves entryway security with a wide field of view for identifying callers. Provides reassurance when answering the door and protects household privacy. Is the GEU Door Viewer Spy Hole the right upgrade for your front door?
⚡ At a Glance
- • Viewing Angle: 160° wide-angle lens giving a broad view of corridors and visitors
- • Best for: Homeowners and small-business operators who want discreet, one-way door surveillance
- • Not ideal for: Doors outside 35–60mm thickness or non-standard bore-hole sizes
Wide-angle zinc alloy viewer designed for 35–60mm doors with 12–13mm bore holes. Dual-layer shatter-resistant glass with anti-reflection coating ensures one-way visibility and hallway surveillance.
Clear Hallway View – With a 160° wide-angle lens
A 160° wide-angle optic captures a broad scene of the entrance and adjacent hallway, reducing blind spots. The lens design is described as a cat-eye viewer for expanded peripheral coverage.
Broader visibility makes it easier to identify visitors from a distance and to spot delivery personnel or multiple callers at once.
Easy DIY Installation – With quick-install guide and 12–13mm bore compatibility
A multilingual guide and video tutorial accompany the unit, and the viewer is specified for 12–13mm bore holes and 35–60mm door thickness. No special tools are required for fitting.
Neat fitting into existing pre-drilled doors means straightforward installation for DIYers and professional fitters alike.
Long-Lasting Finish and Weather Resistance – With corrosion-resistant zinc alloy and anti-tarnish guarantee
Construction uses corrosion-resistant zinc alloy with a scratch-resistant finish, specified to withstand extreme weather. An anti-tarnish guarantee is provided to preserve appearance over time.
Durable materials keep the viewer looking presentable and functioning through UK weather, reducing the need for frequent replacements.
✨ The 4 Key Reasons for GEU Door Viewer Spy Hole
- Adjustable length 35–60mm – Fits a wide range of standard door thicknesses.
- Quick-install guide and video – Enables DIY installation without special tools or expertise.
- Designed for 12–13mm bore holes – Installs neatly into common pre-drilled door openings without modification.
- Universal compatibility with uPVC, wood, composite – Works across most UK entry door materials reliably.
📋 Technical Details at a Glance
- Category: Home Improvement
- Viewing Angle: 160° wide-angle lens
- Material: Corrosion-resistant zinc alloy
- Finish: Polished chrome / scratch-resistant dark grey finish (as described)
- Adjustable Length: 35–60mm
❓ Frequently Asked Questions
Q: Will the viewer fit my door?
A: Fits doors with thickness between 35 and 60 millimetres and is designed for 12–13mm bore holes, so it suits most standard UK entry doors.
Q: Can people see inside from the outside?
A: Dual-layer shatter-resistant glass combined with an anti-reflection coating is designed to allow one-way visibility, preventing outsiders from seeing indoors.
Q: Is installation difficult for a DIYer?
A: A quick-install guide and video tutorial are provided and no special tools are required, making installation straightforward for homeowners.
🏆 Our Verdict
Suitable for homeowners and businesses that want a discreet, reliable way to check callers without opening the door. Corrosion-resistant zinc alloy construction, an adjustable length for standard doors, and one-way shatter-resistant glass are the core selling points. Durable materials and an anti-tarnish guarantee offer clear long-term value for a low-maintenance security upgrade.
