3 x 21700 Battery Holder 3 Cell SMT Light Sensitive Photoresistor LDR Small Are these stickers 100% authentic

Are these stickers 100% authentic

Classic UNO Form Factor: Maintains full mechanical and electrical compatibility with the vast ecosystem of Arduino UNO shields

What if I receive a defective unit

1x HC-SR04 ultrasonic distance sensor

Power Adapter:

3 x 21700 Battery Holder 3 Cell SMT Light Sensitive Photoresistor LDR Small Are these stickers 100% authentic```html 3 x 21700 Battery Holder 3 Cell SMT (Surface Mount) High quality 3 cell 21700 battery holder designed for surface mount (SMT) PCB assembly. Securely holds three 21700 lithium ion cells in series or parallel configurations, ideal for high capacity battery packs, portable power systems, and energy storage projects. Available at The Engineer Store, Bengaluru trusted by makers, engineers, and professionals across India. Specifications Product Type