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Shipped from abroad
Free return within 7 days for eligible items.Details
CharacterL
100%Seller Score
25 Followers
Shipping speed: Excellent
Quality Score: Excellent
Customer Rating: Excellent
Product descrtion
This product is a Schumann wave 7.83HZ extremely low frequency , which has the characteristics of high precision and high stability.• High stability frequency acquisition components: high stability pulse ch, precision correction , precision multi-loop adjustable resistance
Frequency: 7.83Hz
Nominal voltage: 5V DC
Rated current: 0.5A
Note: This switch is only used to turn on/off the indicator light
The transparent acrylic box needs to be aembled by yourself (the acrylic has a protective film)
Attentions:
Please use an independent regulated power supply for each unit to avoid mutual interference between multle shared power supplies and facilitate independent placement
The power supply is 5V, the current is above 0.5A, and it is shped with a USB adapter cable, which can be powered by a USB port such as a mobile phone charger.
without box :
with box :
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