1The adapter module adopts a transparent acrylic shell with good air permeability and beautiful appearance. 2Adapter module has a builtin ARM 32bit processor for accurate detection and system runs smoothly. 3The adapter module has a 2.8inch TFT screen, color display, and wideangle sight up to 180". 4The highsensitivity sensor adopts ARM 32bit chip, which can ensure the high accuracy of data collection. 5Air quality detector module adopts a semienclosed design with good heat dissipation performance and long service life. Item Type: Detector Module Material: PCBAcrylic Processor: Arm 32-Bit Chip Letter Type Color: Multiple Colors Screen: 2.8 Inches TFT Resolution: 320 x 240 Input Voltage: DC 5V Working Current: 1-2A Temperature Measurement Range: 20 to 60c Accuracy: 0.1 1 xDetector Module 1 x User Manual 1 x USB cable 1 Don't overload use2 Do not use over pressure3 Do not use over current