Features:
【2 Extension Tubes】Combined of 2 different metal extension tubes, including 12mm + 24mm, the automatic extension tubes can be used separately(12mm/24mm) or in combination(12mm+24mm) for different focal length.
【Electric Pins】Built-in electric pins, superior lock pin which can tighten the tube joint, to make photographic activities at closer distance with higher magnification, to achieve macro effect with excellent photo quality.
【Multifunctional】Support camera TTL, autofocus function and EXIF information transmission, only shooting according to actual photometric conditions, which is really convenient for user.
【Lightweight】High quality and compact machining, net weight only 151g/ 5.32oz which is super lightweight and portable.
【Durable】These extension tubes offer lightweight durability, with metal mounts that provide additional robustness that will to switching between lenses and other tubes for long-lasting use.
【Autofocus】Electronic communication between body and lens is supported, so the convenience of autofocus and auto-exposure functions are maintained.

Specifications:
Suitable Lens: For Canon RF Mount Lenses
Compatible Devices: Canon R5/R6/R7/R10 Camera
Item Weight: 151g/ 5.32oz
Item Size: 7 * 7 * 6cm/ 2.75 * 2.75 * 2.36in

Packing List:
1 * Automatic Extension Tubes