HIGH DECIBELS ALARM: 120dB ultra loud alarm buzzer. turn it on and the sound alarm will scare away unwanted invaders, protecting you and your families. alarm on the door and window, it will protect you when you leave, bring it with you for next use. EASY TO USE: just turn it on and hang it up to the interior door handle without the need for special wires, safe and secure, smart, efficient and convenient operation. When you don't need to use the alarm, simply turn the switch to "ON" and the devices standby alarm. MADE OF HIGH QUALITY DURABLE MATERIALS: Portable, The wireless alarm is made of ABS material, lightweight, rustproof and durable. Whether you are on a business trip or on a business trip, you can take it with you anytime, anywhere. Get rid of all burdens. Is your trip home necessary? WIDELY USED: Sensor alarms can be widely used in your home, office or factory, hotel, etc. If you install a touch sensor in your home, office or factory, it will notify you when children open doors and windows or when a theft occurs. Product Description Features: 100% brand new and excellent quality. 120db ultra loud alarm ringing. Adopts lightweight, anti-rust and durable ABS material. When you install the touch sensor in your house, office or factory, it will sound the alarm when children open the doors and windows or when there is theft. In the hotel, you can install it on the door or window for more security. After departure, it can be prepared for the next use. You can easily hang it on the interior door handle without the need for special cables, turn it on and the alarm will sound to scare away unwanted invaders, protecting you and your families. Specification : Condition: 100% Brand New Material: ABS The Color: Black Cable Length: 10.7cm Power supply: 9V battery (not included) Size: Approx.9.9 * 5.4 * 2.5cm / 3.9 * 2.1 * 1.0in Package weight: approx. 69g / 2.4oz Package List: 1 * Wireless Touch Sensor Note: 1. Please allow 1-3cm error due to manual measurement. Thank you for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.