Application Equipment and Machinery:
 *Single hook, single-speed electric hoist or dual-speed hoist crane.
 *Environmental waste disposal vehicles, aerial lifts, variable-speed motors, electric doors

Detailed Introduction

Name: F21-2D
Category: Remote Controller (Handheld)
Specifications: Dimensions: 13.0*4.5*2.2 cm
Weight：Approximately 120 grams (including battery)
Series: F21 Ultra-Compact Series
Introduction: 　
Detailed Introduction: Product Performance Indicators
* 2 dual-speed buttons, 1 start button
* Water and dust resistance rating up to IP65
* Durable glass fiber shell structure
* Ultra-wide operating temperature range: -35℃ to +80℃
* Internal functions configurable via computer interface
* Incorporates Hamming code, self-detection, and non-repeating 32-bit identification code
* Operating distance varies by model, up to 50-100 meters
* Low power consumption design