HIGH DECIBEL ALARM: 120 dB ultra alarm ringtone. Turn it on and the audible alarm will scare away unwanted invaders, protecting you and your families. IT CAN BE A CYCLE OF USE: To stay at the hotel, you can install this alarm on the door and window, it will protect you when you leave, bring it with you for the next use. EASY TO USE: just turn it on and hang it on the interior door handle without the need for special wires, safe and secure operation, smart, efficient and convenient. When you don't need to use the alarm, simply turn the switch to "ON" and the alarm devices on standby. MADE OF HIGH-QUALITY DURABLE MATERIALS: Portable, The wireless alarm is made of ABS material, lightweight, rust-proof and durable. Whether you're on a business trip or a business trip, you can take the ...