Feature: 1. The use of high-quality PCB materials, quality assurance, greatly improve the service life of the product 2. The LCD screen layout is reasonable, the font is large and full and round, and the professional power LCD screen has all the functions you want 3. Built-in buzzer, key prompt, alarm prompt, use more safe and 4. The product supports serial communication standard Modbus protocol, supports firmware upgrade, supports MPPT solar charging, and has comprehensive functions 5. The product has a wide range of applications, with anti-backfilling function to charge a variety of rechargeable batteries, and with MPPT function to support MPPT solar charging, can be connected to the external temperature probe to support overtemperature protection and so on Product parameters: SK60: Input voltage: 6.0~36V Output current: 0~5.000A Output power: 60W Voltage resolution: 0.01V Conversion efficiency: about 88% Output voltage: 0~36V Voltage accuracy: ±0.5%+1 word Current accuracy: ±0.5%+3 words Current resolution: 0.01A Storage data group: 10 groups MPPT function: Support MPPT solar charging Buzzer: Yes Soft boot: Yes Color: Black Material: PCB Package Contents: 1 x DC Buck-Boost Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.