IR Proximity Sensor for Obstacle Sensing With One Channel 5V Relay Module Relay Switch with Isolation High Low Level Trigger

• This module compiles with international safety standards
• High voltage handling capacity of 220v ac with full protection
• Can be used for 3-5V DC power supply modules. It has red power indicator
• 5 V relay can be used for home automation configured with micro-controller
• easy to assemble, easy to use features, can be widely used robot obstacle avoidance