Reddit reviews Defender Security U 9809 Vinyl Easy Installation to Keep Securely Closed – White Diecast Construction (Pack of 2) Sliding Window Lock, 2-Pack
We found 2 Reddit comments about Defender Security U 9809 Vinyl Easy Installation to Keep Securely Closed – White Diecast Construction (Pack of 2) Sliding Window Lock, 2-Pack. Here are the top ones, ranked by their Reddit score.
EACH PACK INCLUDES – (1) Adjustable jaw that fits all vinyl frame rail thicknesses from 1/16" up to 1/2 in. thick. "Vise like" grip holds securely and will not mar frame. Allows window to lock in ventilating position; cam style locking lever; no tools required. This is for Vinyl Windows only.SECURELY LOCK WINDOWS – These U 9809 sliding window locks for vinyl windows help keep them securely closed. The locks feature an adjustable jaw that has a “vise-like” grip, and they are capable of opening up to ½” wide.ADD EXTRA SECURITY – Use these sliding window locks to prevent unwanted intruders and avoid falling accidents –keeping your windows closed when you want them the most secure! Air and a breeze can get in, but no intruders.FOR USE ON MOST VINYL WINDOWS – These sliding window locks are for use on horizontal sliding windows and most vertical sliding (single hung) windows as a secondary window lock.PRODUCT INFO – These sliding window locks have a diecast construction with a white painted finish and can fit most vinyl frame rail thicknesses ranging from 1/16” to ½”.
By law, landlords have to supply window gates for parents in NYC for this reason. These are about $35, but there are many devices for 2-10 bucks that limit the amount a window can open LIKE THIS
I put window slide locks on my window.
http://www.amazon.com/Prime-Line-Products-9809-Painted-Diecast/dp/B005H3N43K/ref=sr_1_2?ie=UTF8&qid=1462114452&sr=8-2&keywords=window+locks
They may help, but what is to stop someone from just kicking the window in? For that I used a vibration alarm system.
http://www.amazon.com/Doberman-Security-SE-0106-4PK-Ultra-Slim-Window/dp/B010HWD65Q/ref=sr_1_1?ie=UTF8&qid=1462114508&sr=8-1&keywords=vibration+alarm+window
Using those, maybe you can open your window 2-4" to let air circulate, but it would prevent a burglar from opening the window any higher. If they tried to break the window the alarm would go off (even trying to jiggle the window up and down would probably set off a vibrational alarm.