Ealarm

The generous folks at BASU want all college kids to have that extra measure of protection, which is why they're offering a free BASU eAlarm to all full- and part-time students.
Available in your choice of five colors, the eAlarm is roughly the size of a flash drive. An included metal carabiner lets you clip it just about anywhere: backpack, purse, zipper pull, etc.
The device consists of two pieces: the main housing that holds the batteries (two CR1632 button cells) and very loud alarm and a plug in the top.
Should trouble arise, all you do is yank the alarm free of the plug. It'll make more than enough noise to attract attention and, hopefully, thwart any thieves, attackers, bears, etc. (Yes, bears: College students sometimes hike in the wilderness, you know.) To silence it, just put the plug back in.
The aforementioned batteries, which are not user-replaceable, should be good for up to five years according to BASU. That's or 30 minutes of continuous alarm use, not that that's likely to be needed.

Technical Specifications

120dB Alarm
2.79 x 1.22 x 0.51 in
TSA Approved
Permitted on Airplanes
Weight: Less than 1 ounce (20g)
Operating Temperature: 14F/10C - 104F/40C
​Reusable

​Frequently Asked Questions

What is the battery used?
Two CR1632 coin cell batteries. 

How long does the battery last? 
30 minutes of total alarm use or up to 5 years, whichever comes first. 

Does the device just stop working after 5 years if I haven't used it?

Not at all. The batteries used in the eAlarm have an amazing shelf life. Since the eAlarm is an on off device, when the device is in the "off" state, there is absolutely negligible loss on the batteries. The battery should store for 5-6 years before ~5℅ of the stored voltage is lost. 

How many uses is the battery good for?
Unlimited uses. You can reuse your eAlarm over and over until you reach 30 minutes of total alarm use. The sound and cadence of the siren will begin to weaken gradually after you surpass the 30-minute mark. 


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