- Real-time temperature and humidity indicators provide clear ambient readings, helping you maintain comfortable rooms, safeguard electronics and foods, and support plant health. - Low battery icon alerts you when the device needs charging, so you know when to recharge. - Charging options: use the included Micro-USB cable or another compatible Micro-USB cable. - Power source: connect the other end to a USB DC charger that outputs 5V at 1000 mA or greater (1 A or more). Avoid charging from USB ports that only output 500 mA. - Charging time: fully charge for at least 2–3 hours before first use to ensure full performance. - Compatibility and use: compatible with standard Micro-USB charging connections and common USB chargers, such as smartphone chargers. - Use scenarios: • In home or office to monitor room climate for comfort and electronics. • In a greenhouse or indoor garden to maintain optimal temperature and humidity for plants. • While traveling or in a workshop to quickly assess environmental conditions of temporary setups.