High Sensitivity Microphone Sensor
1 × ₨250 
Infrared IR PIR Motion Sensor Detector Module
1 × ₨199 
W1209 Temperature Controller Thermostat Module - High Quality
1 × ₨350 
1A Micro USB 18650 Lithium Battery Charging Board with protection
1 × ₨250 
Arduino Ultrasonic Range Detection Sensor
1 × ₨199 Subtotal: ₨1,248
