Product Name: Epoxy Resin USB Micro Backup Car Alarm Smart Alarm Model NO.: YS-B33 USB Receive Frequency: 1400Hz Alarm Volume (within 1m): ?100dB Transmission Mode: Cable Working Principle: Electro-Acoustic Style Application: Indoor, Outdoor Certification: CE, ISO, RoHS Working Mode: Active Signal Transmission: Wired Alarm Type: Car/Motorcycle Alarm Color: Black Feature: Loud Alarm Function: Car Alarm Work Cycle: 0.85s/T Trademark: Yuesonic Transport Package: 40pieces Per Carton Specification: weigh 320g Origin: China HS Code: 8512301100 Product Description 1)Sound pressure: 102±3dB(A) AT 4FT2)voltage:10~48VDC3)Maximum current:≤0.6A4)temperature:-40°C ~ 85°C5)Frequency:1400Hz±10%6)Work cycle:0.85second/T (-50% ON 50% OFF)7)Weight:320gPacking & Delivery46*32*23cm40 pieces per cartonNeutral packing