Cheap but effective Alarm
I just bought the alarm picture below second-hand for £3 and given it a good test. When used in conjunction with locks etc.. is just another thief deterrent.
I am so pleased with it, I am going to purchase another 10 from China for the grandchildren, at £5.58 each alarm they are a bargain.
The quiescent current whether on standby or armed is 0.3Millamps, so the standard battery should give nearly three months use, when the alarm is triggered it uses 80mA, but only for 5 seconds and 20 seconds at a time.
Operating details can be found on Ebay search for Bicycle Alarm, they can be bought from UK Ebayers for around £8 plus postage.
Regards Terry
I just bought the alarm picture below second-hand for £3 and given it a good test. When used in conjunction with locks etc.. is just another thief deterrent.
I am so pleased with it, I am going to purchase another 10 from China for the grandchildren, at £5.58 each alarm they are a bargain.
The quiescent current whether on standby or armed is 0.3Millamps, so the standard battery should give nearly three months use, when the alarm is triggered it uses 80mA, but only for 5 seconds and 20 seconds at a time.
Operating details can be found on Ebay search for Bicycle Alarm, they can be bought from UK Ebayers for around £8 plus postage.
Regards Terry
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