SZ Waytronic Security Co., Ltd.
Service hot line：
4008-606-525
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1. Product Description
Sf-720 safety belt alarm is a new generation of voice alarm device developed and designed by Shenzhen
Waytronic Security Technology Co., Ltd. It not only has the function of safety belt detection and prompt, but
also has a variety of driving voice prompts. It is widely used in engineering vehicles, special vehicles,
transportation and so on. It is not only easy to install, but also easy to operate.
2. Detailed Parameters
Model
Parameters
SF-720
wire supply
DC 9~60V
Wiring definition
Red wire positive pole, black wire negative pole, brown reverse line,
white left turn, green right turn, yellow 12V output
Size
76X110mm
Color
Black
Working Current
Silent mode
≤
9MA
（
DC9V
）
Playback mode
≤
360MA
（
DC9V
）
Audio output
power
8
Ω
/10W
Volume
soundness
1 meter
≤
105dB
Protection
degree
IP65
Whether power
on play or not
Yes
Power on respon
se time
≤
1 second
Ambient tempera
ture
-30
℃～
65
℃
Relative humidity 10%
～
95%
Accessories
Certificate of qualification X1
Instruction Manual X1
Fixing screws X3
Relay(Optional)
