HiLetgo 12V 8 Channel Relay Module with OPTO-Isolated High and Low Level Trigger 8 Ways Relay Switch Module for Arduino auspowers_batchone It can be programmed to

It can be programmed to use up to 25 different personal identification number (PIN) codes

Arrow Hart

For use on bench grinders

Tighten the screw Package Includes: - 12 91-114mm hose clamps

Perfect use for hang little gadgets

HiLetgo 12V 8 Channel Relay Module with OPTO-Isolated High and Low Level Trigger 8 Ways Relay Switch Module for Arduino auspowers_batchone It can be programmed toHiLetgo 12V 8 Channel Relay Module with OPTO Isolated High and Low Level Trigger 8 Ways Relay Switch Module for Arduino Description : 1. The module uses genuine quality relay, normally open interfaces Maximum load : AC 250V 10A, DC 30V 10A; 2. Using SMD OPTOCOUPLER isolation , driving ability , stable performance ; trigger current 5mA; 3 . The module voltage is 12V; 4 . Each way module can be set high or low triggered by jumper ; 5 . Fault tolerant