- Temperature in °C or °F, shows the current measured value
 - Relative humidity in %, shows the current measured value
 - Alarm: Appears as soon as a limit value has been exceeded
 - Recording: Appears as soon as a microSD-card is inserted (recording starts automatically)
 - Battery capacity
 - Left paper clip button (▲): Next menu item, confirmation
 - Right paper clip button (+): Change submenu settings
 - IR receiver for the remote control
 - Slot for the microSD-card
 - Mini-USB port for connection to PC or power
supply via power supply unit - Locking push: Button for opening and locking the back of the housing
 - Opening for the internal sensor. Do not cover this area!
 - Socket for external humidity/temperature sensor (accessory)
 - Socket for alarm cable (accessory)
 - Battery compartment
 - Battery position symbol