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