Tarrant SJ-2 SJ-2L crane special sound and light alarm, alarm sound and light cranes, 
 Widely used in cranes. Traffic, cranes, ships, docks, oil, mining, construction and other industries sound and light alarm 
 1, Size: 250mm × 480mm × 220 
 2, the output volume: 115D B 
 3, Voltage: DC12 DC24 DC48 AC36V AC110V AC220V AC380V 
 4, protection class: IP56 

 Tarrant DWJ-10 DWJ-10L crane special sound and light alarm, alarm sound and light cranes, 
 Widely used in cranes. Traffic, cranes, ships, docks, oil, mining, construction and other industries sound and light alarm 
 1, size: diameter 190mm × 316mm high 
 2, the output volume: 115DB 
 3, Voltage: DC12 DC24 DC48 AC36V AC110V AC220V AC380V 
 4, protection class: IP56 
 Tarrant Electronics Technology, Zhongshan City, a company product model Daquan alarm equipment factory