Mini Wireless Vibrator Triggered Wedge Shaped Door Stopper Alert Home Security System Door Alarm Block Jammer Black Sunglasses Our half helmet speaker pockets

Our half helmet speaker pockets are only suitable for the half helmets which have a place to attach the velcro to secure the ear pads

【3-Pin Wires】Plug and play

can play a good role in storage and display

[High-Grade Materials] -- Crafted from breathable mesh fabric and TPR

safe and worry

Mini Wireless Vibrator Triggered Wedge Shaped Door Stopper Alert Home Security System Door Alarm Block Jammer Black Sunglasses Our half helmet speaker pocketssensitivity levels low medium high, with an adjustable sensitivity switch on the side. Also works as a wedge to prevent the door from opening when powered off. No installation required. Requires one 9 volt battery. Portable and easy to add a little peace of mind when traveling or working alone. Extra loud alarm. A 120 decibel alarm sounds when pressure is applied to the door stop. Small size, 5. 5 x 1. 6 x 1. 7 inches Only 95g, lightweight and