TWNT-ECB30

Semiconductor vest with 3pcs semiconductors
Input: 5.0V                                                                
COLD mode Power: 15W-H, 13W-M, 11W-L 
COOLING function on metal plates (compare with the ambient temperature ):         

H-  20°C blow the ambient,

M - 15°C below the ambient, 

L - 10°C below the ambient,
HEAT mode power:6.5W-H, 4.5W-M, 3.5W-L

HEATING function on metal plates:                                     H - 60±5℃,  M- 55±5℃，  L -50±5℃
(Powered required by 5V/3A power bank)