Note: Built-in button batteryFeatures:* Light-sensing function, the display automatically dims when it detects that the light becomes dark at night.* Brightne adjustment, 10-mode LED brightne adjustment.* Large-screen display, which can display humidity, day of the week, temperature, time, date, switch between Gregorian and lunar calendars, and switch between /. 12/24 hour format switching.* Remote control function, equipped with a remote control, can remotely control the LED clock.* Timing function, two functions of timing and countdown, up to 99 minutes and 99 seconds.* Two installation methods, which can be wall mounted or placed directly on the desktop.Specification:Name: LED ClockMaterial: ABSDisplay: Day of the week, temperature, time, dateInstallation method: wall hanging, desktop placementSize: 28*28*3cmFont Color: as shownShell color: as shownPacking included:1 * LED Clock1 * Remote Control01-05 Clock Features:* Temperature, time, week and date are displayed on the same screen.* Chinese/English display: Gregorian calendar/lunar calendar is displayed after cla in Chinese mode.* Adjustable brightne mode: 1. Ten levels of automatic light sensitivity, 2. Ten levels of manual brightne adjustment, 3. The display can be turned off* Memory mode: power off memory.* Alarm function: Two sets of alarms with single/weekend/daily alarms.* Timing and countdown functions: up to 99 minutes and 99 seconds.* Two placement methods: hidden bracket behind, can be placed on the desktop, with hanging holes on the back, can be hung on the wall.* With the remote control, the operation is easier and more convenient.Specification:Name: LED Simple Alarm ClockMaterial: ABSPower supply: plug in for useSize: 22.8*22.8*3cmPacking included:1 * LED Simple Alarm Clock1 * Remote ControlNote:1. Due to manual measurements and slight color variations, please allow 1-3 cm (0.4-1.18 inches) difference to suit different display settings.2. Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand.