Can I use this product in sliding doors?

U 10547 is the door version of this item

How does it work? Are you going to post any pictures of it in use?

They work great. Seems like it would be easier to break a window than to try to force a window that is locked with two of these. Simply twist them until they begin to tighten to window frame, then clamp them down. They tighten the rest of the way when you clamp them, a lot like vise grip pliers. I'm adding two photos to help.

does this come with 2 pcs in a pack? or this is only fr 1 unit?

Luckily, I saved a packaged pack for back-up. The USB on it says 0 49793 09809 2, and it is indeed a 2-pc packet (which states "Fits 1" wide rail"). The cam locking mechanism also makes re-placing the lock easy.

is this somthing that can keep my 6yr old from the window all the way or could it be easly removed by him

That seems like a loaded question. When I was 4, I figured out how to put a kitchen chair next to the counter. Climb on the counter and hoist myself to the top shelf of the cupboard to retrieve a bottle of Flintstones vitamins. I subsequently ate the whole bottle and had to have my stomach pumped. Kids are smart. Nothing is completely kidproof. Having said that, it depends on the type of window. Does it slide left to right or up and down? Mine slide up and down, and a child would have to be tall enough to reach high enough to unlatch them.

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Description

🔐 Lock in safety, unlock peace of mind.

SLEEK DURABLE DESIGN - Diecast construction with a clean white finish blends seamlessly with modern vinyl windows.
VENTILATE WITHOUT COMPROMISE - Lock windows partially open for fresh air while keeping your home safe from intruders.
SECURE YOUR SPACE WITH PRECISION - Vise-like adjustable jaw grips vinyl frames up to 1/2 inch thick without damage.
VERSATILE FIT FOR MOST VINYL WINDOWS - Compatible with horizontal sliding and many vertical single-hung vinyl windows as a secondary lock.
EFFORTLESS INSTALLATION INSTANT SECURITY - No tools required—lock your windows in minutes with a simple cam lever twist.

The Prime-Line U 9809 Sliding Window Lock is a durable, diecast security solution designed specifically for vinyl sliding windows. Featuring an adjustable jaw that fits rail thicknesses from 1/16 to 1/2 inch, it offers a secure, non-marring grip. Installation is tool-free with a cam style locking lever, allowing quick setup and the option to lock windows in a ventilated position. Sold in a convenient 2-pack with a sleek white finish, it’s ideal as a secondary lock to enhance home safety and prevent intrusions.

Specifications

Manufacturer	Prime-Line Products (Home Improvement)
Part Number	U 9809
Item Weight	4.8 ounces
Product Dimensions	1.19 x 1 x 20 inches
Item model number	U 9809
Is Discontinued By Manufacturer	No
Size	Pack of 2
Color	White
Style	Sliding Window Lock
Finish	White
Material	Diecast
Shape	shape
Item Package Quantity	1
Special Features	Adjustable
Included Components	Window lock
Batteries Included?	No
Batteries Required?	No
Warranty Description	Goods are warranted against manufacturing defects for 1 year. In no case is Prime-Line responsible for user related damage or damage incurred during installation. Warranty is void if products are subjected to abnormal conditions, misapplication or abuse.

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