Both built-in sounds and option for external sound input via SDcard (MP3) have 30 built-in sounds Able to avoid signal confusion with a variety of tone options

• Can prevent cross talk of different voice environments by selecting an audio signal fit for the specific environment and condition

• Offers both Binary and Bit input mode options with 30 pre-recorded sounds

• Binary input mode has built-in 30 messages that can be played with switch for sound selection

• Bit input mode is organized into 6 groups of 5 sound tones for a total of 30 sound tone options. Playback can be selected from one of the 5 tones in each group (MP3 file with bit input mode)

• Volume adjustment and sound selection switches located inside the unit

• SDcard type can play MP3 voice messages, user can select and change the sound message after record it

• Sound volume : Max 98dB at 1m

• Materials : Housing-ABS, Cover-ABS

• Ambient operating temperature : -25°C to +50°C

• Protection rating : IP54

• Certificates : CE Compliant, UL Listed

• Compliant with RoHS directive