P wave earthquake alarm.wechat:13510231336
Model No.︰L2000
Brand Name︰ANYDA
Country of Origin︰China
Unit Price︰US $ 16 / pc
Minimum Order︰1 pc
Product Description
p wave earthquake alarm
50pcs/carton
0.2kgs/pcs
test the distance 2000kms
Payment Terms︰ TT