White Safety Locking Restrictor is a stylishly universal solution for windows and doors where a restricted opening is required. Ideally suited to homes with families the locking restrictor is a compliant child resistant locking device for windows and balcony doors in accordance with BS EN 16281:2013. The aesthetically designed push to open cable lock comes with cut key locking for security, and has been ergonomically developed for easy operation. To lock, simply insert the cable into the lock body and turn the key. Or to unlock, simply insert the key remove and press the button to release the cable.