The WS-10 includes three remote thermometer/hygrometers and five additional sensors can be added (F007TH, F007TP, F007T, F007PF) for comprehensive monitoring. The display console can remotely read and update up to eight remote thermo-hygrometer sensors at the same. Each remote sensor includes dip switches for channel selection and units of measure (degF vs degC). This tiny omnidirectional microphone plugs directly into the 3.5mm TRS port of your DSLR camera or camcorder, ideal for recording your voice while recording video Mua Ambient Weather WS-08 Wireless Indoor/Outdoor 8-Channel Thermo... Wireless Weather Station,Temperature Humidity Monitor With Wireless Features: Indoor/Outdoor temperature & humidity Outdoor temperature range: lithium batteries: -40°F to 140°F Outdoor temperature range: non-lithium batteries: -4°F to 140°F Indoor/Outdoor Humidity range 10% to 99% Rate of change indicators Scroll mode automatically displays each sensor every 5 seconds Dip switch selectable remote channels Re-sync mode if sensor reception is interrupted Min/Max Memory for indoor/outdoor temperature & humidity Monitors temperature and humidity in up to 8 remote locations Includes three remote sensors (F007TH) - transmission range of up to 300 feet line of sight (100 feet under most conditions) Frequency: 433 MHz Update Rate: 60 seconds Console Dimensions (LxHxW): 4.50 x 5.0 x 1.00 in LCD Dimensions (LxW): 3.75 x 3.50 Power requirements: Main Unit - 4 x AAA (not included) Remote Sensor - 2 x AAA (not included) Additional Features: The scroll mode allows you to view the indoor thermometer/hygrometer and remote channels without pressing any buttons. In scroll mode, all of the indoor and detected outdoor sensors will be displayed in five second intervals. The console includes audible and visual alarms when temperature and humidity exceed your pre-set minimum and maximum alarm settings. Indoor Outdoor Thermometer Ambient Weather WS-10 Wireless Indoor/Outdoor 8-Channel Indoor Outdoor Thermometer Wireless