功能概述1. LCD顯示2. 外形尺寸78*70*24mm3. LCD尺寸:27*52mm4．重量：55g（不含電池）5. 正倒計(jì)時(shí)6. 計(jì)時(shí)精準(zhǔn)度1秒。7. 計(jì)時(shí)范圍：1S至100MIN8. 按鍵有按鍵音9. 倒計(jì)時(shí)結(jié)束是有響鬧鈴，響鬧32秒-58℉～158℉) 后結(jié)束，若響鬧中按鍵，則響鬧中止二.電池的安裝翻轉(zhuǎn)到本產(chǎn)品背面，推開(kāi)電池蓋，放一塊AAA的電池到電池槽中三.按鈕及操作1. 按鍵MIN：加一分鐘2. 按鍵SEC：加一秒鐘3. 按鍵START/STOP：開(kāi)始/停止計(jì)時(shí)4．按鍵MIN SEC：復(fù)位歸零 具體操作：設(shè)定完需要倒計(jì)的時(shí)間后，按START/STOP鍵開(kāi)始倒計(jì)時(shí)。倒計(jì)時(shí)到00分00秒時(shí)，鬧鐘響鬧32秒，正在響鬧時(shí)按任意鍵停止響鬧，并顯示上次的設(shè)定的倒計(jì)時(shí)時(shí)間 RESET后顯示為00分00秒時(shí)，按START/STOP鍵開(kāi)始正計(jì)時(shí)。正計(jì)時(shí)狀態(tài)下，按住MIN鍵或SEC鍵分鐘或秒鐘加一，按住不放快速加，若之后按START/STOP鍵則開(kāi)始倒計(jì)時(shí)四．包裝資料：外箱尺寸49*30.5*18cm；一箱90個(gè)；凈重5.95kg；毛重8kg 。Measuring Temperature Range: -50°C～70°C (-58°F～ 158°F)。Temperature Accuracy: ±1°C (±2°F)。Selectable °C or °F Display。Temperature Display Resolution: 0.1°C (0.2°F)。Measuring Humidity Range: 10%Rh ～ 99%Rh 。Humidity Accuracy: ±5% 。Humidity Display Resolution: 1% 。Max/Min Temperature and Humidity Records 。Operating Voltage: 1.5V, one battery size AAA 。Indoor Relative Humidity Comfort Level Indicator 。Sampling period：10SBattery Installation。Lift the stand at the back of the unit; 。Slide and open the battery cover as indicated by the arrow; 。Insert 1 AAA battery into the battery housing (note the polarity); 。Close the battery cover.Buttons Operations 1. MIN/MAX Button 。Press MIN/MAX key will display the minimum indoor temperature and minimum indoor humidity. 。Press MIN/MAX key again will display the maximum indoor temperature and maximum indoor humidity. 2. CLEAR Button 。Press CLEAR key will clear the indoor temperature humidity memory. 。Comfort indicators will display the level as comfortable, wet or dry. The table is shown below.