100 قطعة 125 كيلو هرتز تتفاعل العلامة القرب Keyfobs حلقة بطاقة التحكم في الوصول 11 لون للتحكم في الوصول وقت الحضور للقراءة فقط

4A DC-DC Positive Negative Dual Power Supply 5-42V TO 5V 9V 12V 15V 18V Buck Converter voltage Regulator Module

12V 24V to 5V 10A 5A 3A Step Down DC DC Converter Buck to 5 Volt Voltage Regulator 50W 24V 12 Volt LED Power Supply for Cars

DC 12V To 6V 10A 60W Step Down Power Supply Converter Power Converter Buck Regulator Module for Car alarms

DC DC 36V 48V to 24V 1A 2A 3A 5A 10A 15A 20A 30A Step Down Model 60V 72V 80V to 24V 480W Buck Converter IP68 Waterpoof level

Imagebon 5V 4A 3.5m Buck Line ACC Hardwire Kit Used For 24h Parking Monitoring Time Lapse Car DVR

2Pcs XL4015 Max 5A DC-DC Adjustable Buck Converter 4-38V to 1.25-36V, High Power LED Constant Current Driver Module, DC to DC

12V 24V to 5V 3A DC DC Step Down Buck Converter Mini USB Micro USB Type-C Power Supply Module CE ROHS Certificated waterproof

300W XL4016 DC-DC Max 9A Step Down Buck Converter 5-40V To 1.2-35V Adjustable Power Supply Module LED Driver

Buck Constant Voltage Constant Current Converter DC12-75V To 5V 12V 24V48V 600W 25A High Power Adjustable Step Down Power Module

1-10pcs MP1584EN Adjustable 3A DC-DC Converter Step Down Voltage Regulator Module Replace LM2596s MP1584 DC DC Buck Board XCW