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'Pi-Pipistrelle' Batwalk Bat Detector - Just Released! - RARE! New! Special Version

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Special! To celebrate International Bat Night! For the weekend of 8/26/23!!
 
This is a brand-new, 'Pi-Pipistrelle' Batwalk Bat Detector built/assembled by me - 
It is the very latest design - Just Released! - 
 
This one is uniqe because I modified it / installed BLUE LEDs! instead of the usual red.
I can send Pics/video on request.

This is a unique Heterodyne/Time Expansion Bat Detector! 
 
New! 'Pi-Pipistrelle' Batwalk Bat Detector!
 
These were available as DIY units only -- I just built a few (from the 10 circuit boards I have). All the detectors are DIY only.
 
Runs on 3 AA sized batteries (any type) - Not included.
 
It is super-simple to operate - with one small On/Off switch, and 2 buttons. Excellent for kids! Typically used with any standard set of (wired) earphones/earplugs.
May be plugged into an external amplified speaker. Which is good for those who are hard of hearing, etc.
 
With all the careful work and time it took to build - This should be selling for a LOT more...But I'm listing it for just $69.99! (A LOT of work went into building this perfectly)
 
And I pay Shipping!
 
This is The π•Pipstrelle Batwalk - in the new, square version.