Stay safe and secure wherever you go with the TS21 Door Stopper Alarm, designed for travelers, solo dwellers, and anyone seeking peace of mind. Made from durable aluminum alloy, this portable door blocker is perfect for hotels, apartments, and homes. With an 80dB alarm sound activated within seconds, it deters intruders and keeps you protected. Easy to install on most inward-opening doors with a gap of 5-35mm, it works seamlessly on various surfaces like tile, wood, or marble. Compact and reliable, this door stopper ensures safety without compromising convenience—your ultimate salvation for worry-free nights and travels.