Lock Box For #30911 & 35911 Guardian Freedom Alert Diabetes Care * Based on clinical scientific MSHQ 530914G * Based on clinical scientific or engineering evidence this product may be suitable for individuals who: have a history of or at risk for skin soft tissue breakdown and or any category stage pressure injury (including deep tissue injury) skin grafts and or myocutaneous flap surgery Lightweight and low profile the Actimove© OA Knee Brace Single Upright provides the perfect balance between structural correction and patient compliance Prevent costly repairs due to forced entries from emergencies * Set your 4 digit code and install a spare key * Attach the Lock Box to your door or other secured fixture such as a stair railing * Call the 911 non emergency number in your area and give them the combination * Emergency services can use this spare key to quickly enter your home