Features:
HYPERSPPED Wireless Technology
HYPERSPPED wireless technology can perform instant swiping and clicking. Seamless switching between frequencies is also possible in complex environments with low latency.
5G Optical Sensor
Adopt PAW3369 optical sensor, the pointer has a good sense of control, can synchronize tiny movements in your hands, give you unrivaled precision and performance.
Good Endurance Ability
It can realize 285 hours endurance time in HYPERSPEED wireless connection. You can also switch to low power consumption BT mode to extended battery life, achieving about 450 hours of endurance time.
Razer Mechanical Mouse Switches
Designed to deliver fast and precise mouse clicks, these switches boast a durability of up to 50 million clicks—ideal for extensive gaming.
Ergonomic Design
Ergonomic right-handed design allows the thumb and mouse to fit closer and more comfortable when hold it.
Six Programmable Buttons
Fully configurable via Razer Synapse 3, the 6 programmable buttons let you access macros and secondary functions so you can execute extended moves with ease.

Specification:
Brand: Razer
Model: Basilisk
Sensor: PAW3369 optical engine, 16000DPI
IPS: 450
accelerated speed: 40G
Programmable buttons: 6
Switch type: Mechanical
Switch lifecycle: 50 million clicks
Battery: AA battery(not included)
Item size: 13 * 6 * 4.2cm /5.12 * 2.36 * 1.65in
Item weight: Approx. 83g /2.93oz

Packing list:
1 * Mouse