real time PCR thermocycler, 4 channel, 48 well, temperature gradient

Description

Bioer brand, real time PCR thermocycler, 4 channel, 48 well, with temperature gradient.  Runs on windows computer via USB cord (included) using sophisticated software (included) for analysis.  Has melt curve analysis.
This is a workhorse!  It sold for about K new retail.  Bought it about 7 years ago.  Works with most Taqman and real time assays.  Unit has been sanitized.
from vendor link (newer system, but specs should about the same):
Product name
LineGene K Real-Time PCR Detection System
Model
FQD 48A
Sample Capacity
48x0.2ml (Single tube or Strips 8 PCR tubes)
Detected Fluorescenee
FI
F2
F3
F4
Dye
FAM,
SYBR Green I
VIC,HEX,  JOE, Cy3,TAMRA
ROX,
TEXAS- RED
Cy5, Quasar 670
Block Temp. Range
4~ 105℃(Min seting scale is 0.1℃)
Hating Cooling Rate
4C/s(max)
Temp. Control Accuracy
≤+0.1 ℃( 55℃ typical value)
Temp. Fluctuation
≤±0.1℃
Temp. Uniformity
≤±0.3℃
Hot-lid Temp. Range
70-110℃(Adjustable, Default 105℃, Automatic Hot-lid)
Operation Mode
Three independent temperature control blocks, 0.1-6℃ Temperature  difference between blocks.
Temp. Control Mode
Continuous
Feature Function
Absolute Quantification, Relative Quantification, SNP Analysis, Melting Curve Genotyping, Gradient, HRM, Multi-channel Crosstalk Correction, Background Correction, Automatic Gain, Customized Parameters.
Operation System
Microsoft: Windows XP/windows 7/windows 8.1/Windows 10
PC Configuration
Surface Pro series, PC Laptop
Socket
RS232 adapter, USB adapter, Bluetooth adapter
Power Supply
100-240V- 50/60Hz 600W
Dimension
384mmx353mmx348mm
Weight
20kg
Came out of a working lab, guaranteed not DOA.  Comes with a foam lined, custom metal trunk for rugged shipment.
No sales to outside the US.