D type 1 size 1 battery box, no cover wireless no switch, stable performance, safety and durability
Material: made of PP material, shockproof and drop-resistant, anti-scratch and impact-resistant double protection; carbon steel nickel-plated material, environmental protection and antioxidant better for the battery to connect the electricity
Excellent craftsmanship: nickel-plated shrapnel tabs in the form of the battery is fixed, easy to install and replace the battery, will not damage other parts.
