Two types of buttonsLightweight and portable button (press triggered);Fixed large button (touch triggered)
Adjustable:Volume adjustable 0-120 dB, alarm duration adjustable 30 s-10 min; The siren sound is 120 dB(MAX); Sound and light alarm, flashing red light with horns & sirens
The siren alarm is powered by two ways: You can use DC charging or change batteries; The batteries of panic alarm can last up to 30 days for continuous operation
Easy to Use: The Sound Light Alarm System have been registered; The siren alarm has two fixing methods and is easy to operate
Small Body but Great Function:The alarm can be well integrated into the usage scenario and is not easily detected by intruders