This is a Hobbywing Quicrun-WP-16BL30 Waterproof Brushless ESC for 1/18 and 1/16 Scale Cars.

Features:

• Water-proof and dust-proof for all-weather races
• Proportional brake with 4 steps of maximum brake force adjustment and 8 steps of drag brake force adjustment
• 9 steps of acceleration (/punch) adjustment from "soft" to "Very aggressive" to fit for different kinds of models, tires and tracks
• Multiple protections: Low voltage cut-off protection / Over-heat protection / Throttle signal loss protection / Motor lock-up protection
• One-button (the "SET" button on the ESC) to set the ESC, and easy to reset all parameters to the factory default settings. One-button (the "SET" button on the ESC) to set the ESC, and easy to reset all parameters to the factory default settings
• Compatible with the optional device ---- the portable Digital LED Program Card, especially convenient for outdoor use

Specs:
Cont./Peak Current: 30A/180A
Motor Type Supported: Sensorless Brushless Motor