???Explore the world, Peace of Mind?Our child-proof door knob covers ensure your kids' safety, allowing them to roam freely without worries of accidents, unsupervised exits, or finger pinching. With us, you can have the confidence of knowing your little ones are safe. Choose safety; choose Heart of Tafiti. | ???Simple way to stay Safe?The special design allows adults to open door easily. All you need to do is press the double buttons and grip the knob. Installing and removing are also simple. Just set it on your door knob and make sure the cover is closed properly. Safety assured! If you want to remove our product, use a screwdriver to remove it ease! | ???Chemicals free and Safe?Made of Eco-Friendly PP and TPR material. Our door knob covers passed the Migration of Certain Elements Test(EN71). You can set your mind at ease knowing that no toxic chemicals will harm your babies. | ???Fit most round door knob?Designed to be compatible with standard spherical door knobs; also blends perfectly with your home decor. Suitable for round door knobs with a diameter ranging from 1.4"" to 2"". Please check your door knob size before purchasing. | ???Warranty?If you're not satisfied with our product, we provide prompt and full refund!

【Specification】 Input Voltage: AC 100V-240V 50/60Hz / Output Voltage: 12Vdc 2000mA 24Watt / 8 Ft (2.5m) Power Cable / Plug Type : 5.5x2.1mm DC Power US Wall Plug, Center Positive, with LED indicator. | 【Worry-Free Purchase】 If you have any issues with the product, please contact us via Amazon "Contact Seller", we can help you. We value your shopping experience. If our product doesn't fit your device, we provide a money-back guarantee under Amazon returns policy in case you are not satisfied. Not only this, we also provide 2 Years Warranty! | 【Application】 (Should be 12 V & not exceed 24 W) : Security CCTV Camera / LED Strip Lights / Cable Modem / Router / Hub / Battery Charger / IR Illuminator/ Foot Back Neck Shoulder Massager / Electronic Piano Keyboard / DVR NVR Surveillance System / Portable Radio / Computer PC Case Fan / Motor/ Computer Speakers / External Hard Drive / And Other 12 V DC Devices less than 24W. | 【Safest, UL Listed】Certified Electrical Safety Standards: UL 62368-1, CAN/CSA C22.2 No. 62368, FCC. IEC 62321(RoHS). Energy Saving: Level VI Energy Efficiency, reduced the no-load power requirements significantly and increased the efficiency limits of the active operating mode. The no-load power dissipation limits were aggressively cut to almost one third compared to the previous standard. | 【High Quality and Safety】Made of Premium Quality Components, built-in protection of Short Circuit, Overvoltage and Overcurrent, Overheating. No Noise & Long Lifespan to ensure the safety. Our adapter has a green LED light that lets you know the adapter is active. Compact size to save your space. Note: Avoid water, indoor use only.