Boltek ERL10-KIT2 Dual Sensor Lightning Alarm Package Select Cable Length:100 Foot Cable or bookshelf

or bookshelf

It's also an excellent educational tool for students of all ages

Electric Conversion Kit (ES-1) sold separately

This powder-coated red

Our in-house engraving service is available to customize the bell plaque with an engraved message on the accompanying chrome plate

Boltek ERL10-KIT2 Dual Sensor Lightning Alarm Package Select Cable Length:100 Foot Cable or bookshelfBoltek ERL10 KIT2 Dual Sensor Lightning Alarm Package The ERL 10 receives data from the EFM 100 Electric Field Mill short range sensor (<20 miles 32 km) and a LD 250 long range lightning detector. It constantly monitors for lightning and activates its timed relay outputs when lightning is detected. Up to three alarms can be configured, referred to as Red, Orange, and Yellow Alert levels. The green All Clear state is entered when no lightning has been