1Clear large digital display, transparent LED display, strong light adaptation, more convenient to use at night. 2Fine workmanship, simple and extraordinary looks fashion and modern, great for bedside, office table, or travel. 3Multifunction digital desk clock, with date, week, time (12/24 Hour), indoor temperature/humidity display. 4The alarm clock requires 1 x AAA batteries(not included), which are energysaving and powersaving, compact and easy to carry. 5Made of ABS environmentally friendly material, wear-resistant and stable. And the quality button is sensitive and not easy to loosen. Item Type: Electronic Clock Material: ABS Color: White Size: Approx. 133x73x32mm / 5.24x2.87x1.26in Weight: Approx.121g/4.3oz Voltage: 3V Temperature Range: 0-50,32-122 Humidity Range: 20%-89% Temperature Measurement Accuracy: +/-1 Humidity Measurement Accuracy: +/-5%RH Temperature Resolution: 0.1 Humidity Resolution: 1%RH Battery Model: 1 x AAA (not included) 1 x Electronic Clock(Battery Not Included) 1 x Instruction Manual 1. Please allow 1& 8209;2in error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.