Application Equipment and Machinery:
 *Single hook, single-speed electric hoist or double-speed hoist crane.
 *Environmental garbage truck, 4-mechanism operation, electric door

Detailed Introduction

Name: F21-4D
Category: Remote Controller (Handheld)
Specifications: Dimensions: 15.6*6.1*5.1 cm
Weight: Approximately 320 grams (including batteries)
Series: F21 Ultra-Compact Series
Introduction: 　
Detailed Introduction: Product Performance Indicators
* 4 dual-speed buttons, 1 start button, 1 emergency stop button
* Water and dust resistance 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
Suitable for single hook, single-speed electric hoist