MTYTOT 21V 1000mA Power Adapter Supply AC to DC 21 Volt 1A 800mA 450mA Power Supply Transformer 5.5mmx2.5mm us Plug

MTYTOT 21V 1000mA Power Adapter Supply AC to DC 21 Volt 1A 800mA 450mA Power Supply Transformer 5.5mmx2.5mm us Plug

21V 1A Universal Lithium Battery Charger AC/DC Adapter Power Supply Cord 24Volt 1000mA 800mA 500mA Switching Transformer with 5.5×2.5/2.1mm Plug Jaks for Infant Monitor CCTV Cameras