China Heavy Duty Filed Select dB Smart Backup Alarm

B40 SERIES
B40 series is made for customization, with beautiful appearance.A glass-filled nylon housing with expoxy-encapsulated electronics provide exceptional durability and protection against moisture, dust and vibration.
You could decide what the voltage and output will be, or intelligent one that measures the ambient noise level and adjust their output level, or vocal version even your own voice.
Sealed in expoxy for protection against dust, mositure and vibration
Voltage polarity protection
easy to install, and many optional connectors/wire
RoHS compliant, CE certified
B41 SPECS
1. Output Level:97/107+/-3dB(A) AT 4FT
2. Voltage: 10-48VDC
3. Current(max):0.6A+/-10%
4. Temperature Range: -40ºC-85ºC
5. Frequency: 1400Hz+/-10%
6. Duty Cycle: 0.85 pulse per second(50%ON 50%OFF)
7. Weight: 355g
Our company
FAQ

Q1: what is the MOQ?

YUEDA: No MOQ required.

Q2: what it the lead time?

YUEDA: 1-3 weeks, for regular models, we usually prepare some in stock, so shipment could be made very soon.

Q3: Can I have some free samples for evaluation first?

YUEDA: Sure. We could offer some free samples.

Q4: What payment methods do you accept?

YUEDA: T/T, PayPal, western Union, Money gram.

Q5: What payment terms do you accept?

YUEDA: Generally, payment before shipment at the beginning.

Q6: Can you make some revisions to it?

YUEDA: Sure, we will, just let us know.

Q7: Is it RoHS/REACH compliant?

YUEDA: Yes, all our products are RoHS and REACH compliant.