Description: Features: brand new and high quality. Easily assembled and used. Help keep yourself and your property safe and secure. Universal use in many places. Super professional and long usage for time. Durable for protection, double safety. 105dB ultra-loud alarm. Specifications: Item Type: Wireless Remote Control Vibration Alarm Model: SF03R Alarm sound: 105dB operating voltage: 3 V Remote control frequency: 433 MHz Alarm Battery: 2 * AAA (not included) Remote control battery: 1 * 12 V / 23A (included) Material: Plastic Color: Black Alarm Size: 8.34.11.3cm/3.271.610.51in(Approx.) Remote Control: 62.71cm/2.361.060.39in(Approx.) Quantity: 1 Set(other accessories demo in the picture is not included) Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: (With retail package) 1 X Wireless Remote Control Vibration Alarm 1 X Remote Control 1 X User Manual