Powerful, handy unit for welding plastic drain pipes with electric sleeves in PE  40 -160mm. For Geberit, Akatherm-Euro, Coes, Valsir, Waviduo, Vulcathene-Euro. Electric control with micro controller for automatic adjustment of welding current and welding time according to sleeve size. Sturdy, shock-proof plastic casing with carrying strap. Splash-proof.