Note: The color of the product we ship is the color in the first picture, and the specification and quantity are shipped according to the quantity and specification described in the title. If you need to change the color or style, you need to contact us within 12 hours after placing the order. Our product description: Description : New Door Stop Block Systerm Security Safety Travel House Portable Burglar Sensors Alarm 125DB This is a stainless steel cover door stop alarm, it is a effective way to deter intruders, the small size of it to save in the travel bags, briefcases, or purses. Wonderful for home, office and travel. Product Features : Stainless steel cover and small size. Wedge-shaped design alarm stops intruder from opening door. Adjustable sensitivity switch prevents tampering. Powered by one 9-volt battery( Not Included). Product Features 3 sensitivity levels and extra-loud alarm. 120 dB high-pitched continuous siren when it is activated. Easy to operate, just put it under the door. Specification : Device : Type Door Stop Alarm Product Features : 3 Sensitivity Levels Dimension : 14cm x 4. 5cm x 4. 0cm Power By : 1 x 9V Battery(Not Included) Weight : 110g Package includes : 1 x Wireless Home Travel Security System Safety Wedge Alert Door Stop Alarm Details pictures : Note: Because the model and display effect of the monitor may be different, there may be slight differences in color, and the size is manually measured, there may be an error of 1-2cm, please understand.