Brand: Atlanta Auto power saving Time network sync Certification: FCC, CE, RoHS Data logging up to 5 years, access through Samba Screen -5 inch LED wide screen. 800 × 480, True colour Particle Sensor: PM2.5(0.3µm - 2.5µm), PM10., air flow control, dust protection mechanism Wireless connectivity: 802.11 v/g/n 2.4gHz, configurable directly from the device or from the mobile app Battery - Rechargeable Li ion, 5 hours in standard use, charging using standard micro USB, power consumption 0.8 mA max