We are TELECRANE ,the professional leading CRANES REMOTE CONTROLLER manufacturer in Taiwan with 30 years of experience. The pioneer Researching Development team create a best prpgrammable products and give customers the most competitive , economic price. With our best price and quality , over 1,000,000 units industrial Radios had been sold since 30 years and it's quality proven from more than 80 countries worldwide. Array electronic co., Ltd.,100% owned by Telecrane, establishing with 38,000 square meters building area in Nanjing of China since 1998, It presents full production line, high quality and durability to meet the need in whole China local market. The headquarter TELECRANE in Taiwan now will response to export Array's superb productions to worldwide. This is the first time we solicit distributors in your country. Please contact me if you need any extra informations or samples. F21-E2B Safe-Reliable-Easy to use 1.Powerful Software Program for customization 2.Tough for Operate in Various Hardzarous Environments: -30 ¢XC to +85 ¢XC 3.E-card for easy installing, setting or copying data, just like SIM card 4.Operating range settable for better economic efficiency 5.Three transmitter choices, for most kinds of application 6.Programmable for various need: Password Power On, Alarm, Transmit Mode or Auto Off time, ect. Safety features: 1.4.3 billion unique ID code 2.Hamming code 3.Security Random Code 4.CRC Code Breif Intro: Transmitter: size :132*55*39mm 163*75*46mm 156*61*53mm weight: 205g 345g 250g Receiver: size:190*85*62mm weight:785g Specification: Operation Range:up to 100m Temperature Range:-30 ¢XC to +85 ¢XC ID code:43 hundred million sets Transmitter Power Supply:Two 1.5 volts (AA size) Receiver powder : 24/48, 48/110, 48/220, 110/220, 220/380 VAC(50/60Hz), 12-24VDC, multiple choice available