1 Easy to install and use, waterproof alarm clock can be used in rainy weather, more durable and practical
2 How to use: Press the red A button to set the defense and beep once; press the gray B button to cancel the anti-theft, and it will beep twice.
Ultra-sound, easy to anti-theft; easy to operate, remote control distance of up to 10 meters, open block will be better, sometimes up to 30 meters.
3 Vibration sensor system, when the bicycle is shaking or vibrating, the alarm will release the super alarm for about 20 seconds, a good safety bicycle anti-theft tool
Leave the bicycle for a short time, no need to trouble to lock up
9 V battery (without battery), when the alarm is weaker than the normal alarm, you should replace the battery, if not for a long time, please remove the battery.
Package weight: 0.165 kg
Product size (L x W x H): 9.80 x 3.20 x 3.00 cm / 3.86 x 1.26 x 1.18 inches
Package size (L x W x H): 12.00 x 4.00 x 5.00 cm / 4.72 x 1.57 x 1.97 inches
Package Contents: 1 x Alarm Lock