How much does this cost to the nearest dollar?

Wsdcam Glass Break Sensor Alarm 125dB Ultra-Slim Wireless Glass Break Detector Window Alarm Vibration Sensor for Home Window and Door Security - 4 Pack
Glass break alarm work by detecting the physical vibrations, with 125 dB loud alarm sound and red indicator blinks can help to deter/scare away the potential break-in and burglars effectively Adjustable sensitivity from gently touch to push or beat, for preventing false alarms. You can easily set it according to your need Wireless vibration sensor with ultra-slim, lightweight design and pretty quality performance. It’s perfect for your home, apartment, office, store, garage, dorm room, or even RV. These anti theft devices are great additions to home security and give you extra piece of mind Battery operated alarm, package including 3pcs LR44 battery

Price is $34.00

Price: $33.99