Action camera is very popular device in these days. It is use to capture every action of your day to day activities. Simply you can fix it on your helmet, bike handle, car…etc. Now you are ready to catch your amazing action. If you are looking great action camera to cheap SJCAM SJ4000 is the great option for you. SJCAM SJ4000 is the great action camera for capture in your speed action. This is a waterproof camera, so it can use any place in any whether condition. SJ4000 comes with 1.5 inch High Resolution LCD display and built in WiFi function. It can record HQ 1080P FHD video with 4X digital zoom. So, you can capture your action closely. This is very suitable for outdoor sports, extreme sports, water sports, home security, car DVR, diving, etc.