Wooden Digital Alarm Clock, LED Alarm Clock with Temperature Desk Clocks for Office,Bedside Clock

Battery Included : Yes High-concerned chemical : None Is Smart Device : No Form : Single Face Length : 150mm Width : 40mm Shape : Geometric Diameter : 70mm Weight : 230g Model Number : NIMT01 Style : Modern Style Motivity Type : Digital Feature : Calendars Material : Wood;Wooden Screen Type : LED Type : Alarm Clocks How to keep the LED time display lit all the time ? Press the "Down" button and choose “-:Sd” to turn off Sound control mode. Power Source Recommendation:‌ ‌1Mains Power (Plugged In):‌Constant Display Mode is recommended for optimal usability when operating on mains power. ‌2Battery Power:‌Press the DOWN button to navigate to and select the On :SD setting. This activates‌Power-Saving Mode‌.‌Power-Saving Mode:‌Increases battery runtime. Product Features: 【Sound control mode (Power-saving mode)】Press the Down button and choose “oN:Sd”, the screen will turn off after 10 seconds. You can light up the screen by clapping your hands (any sound louder than 60dbm) or by tapping the clock.Press the Down button and choose “-:Sd”to turn off Sound control mode. Power Supply:Plug in Specification: Material: ABS Item color: White   Input Voltage : USB5V/1A Size:15*7*4cmSquare battery:1xCR2032(included)，4xAAA batteries(not included) Package includes: (1)Display mode select:DP-1/DP-2 (2)Sound control mode select (Power-saving mode on AAA battery); Press"DOWN","on:SD"→"-:SD: ";  "on:SD" means sound control works,"-:SD* means sound control closed. You may set:YEAR-MONTH-DATE-12H/24H-HOUR-MINUTE- ALA1(ALARM)- ALA2- ALA3- E(work day)-luminance adjust on/off,When YEAR symbol flashing adjust by"Up"and"Down”. Label:Yes